A Secret Landscape

America's Cold War Infrastructure

Update History

Apr. 9, 2013 18:20 - added Switching Planning Standards for the Defense Communications System, MIL-STD-187-310 (PDF document, 9 MB).

Mar. 24, 2012 22:12 - added North Bend, WA AUTOVON switching center.

Feb. 19, 2012 10:44 - added Underground Records Storage Center, First National bank of Boston, Pepperell, MA.

Feb. 15, 2012 23:10 - added Emergency Broadcast System alert tone.

Feb. 14, 2012 08:03 - added Ground Wave Emergency Network Final Operational Capability Fact Sheet.

Dec. 5, 2011 13:47 - posted updated versions of PEF Communications Network System Description, Locations and Microwave Routes and
Description of CADRE and CREED facilities.

Oct. 30, 2011 23:36 - added The Presidential Communications Railroad Car: Crate.

Feb. 13, 2011 21:19 - added PEF Communications Network System Description, Locations and Microwave Routes.

Feb. 13, 2011 19:55 - added Description of CADRE and CREED facilities.

Nov. 25, 2010 00:33 - added Speech Privacy Systems.

Nov. 24, 2010 23:56 - added Civil Defense 1960-1967: A Bibliographic Survey.

Nov. 24, 2010 22:13 - added Speech Privacy Decoding.

June 26, 2010 10:48 - corrected dead external link to Canada's "Diefenbunker" Cold War museum.

JUNE 25, 2010 23:20 - added page for Former Western Union microwave relay station, Ligonier, IN.

June 25, 2010 20:13 - corrected dead external link to image of Western Union microwave relay station.

June 15, 2010 21:27 - corrected dead external link to Radio Personality Raises Communication in Loudoun County to use internal copy of file;
Deleted dead link for White Alice Communication System section (to be added).

June 6, 2010 01:37 - added article Long Slot Antennas.

June 5, 2010 09:24 - updated external links to Brandywine Tower Service and Delaware Repeater Association for former Western Union's Brandywine, DE tower.

May 19, 2010 21:58 - relocated Raytheon Airborne Microwave Platform, and added link to Electronics Illustrated article.

May 17, 2010 20:44 - added article Improvements in 75MC Aircraft marker Systems.

May 17, 2010 18:11 - updated White House emergency communications network map.

May 11, 2010 23:33 - added article Television Equipment for Guided Missiles.

May 11, 2010 19:57 - added article The Use of Powdered Iron in Television Deflecting Circuits.

May 6, 2010 23:18 - added Contents page for Proceedings of the 1946 National Electroncs Conference.

May 2, 2010 11:20 - added Army Develops First Voice-Powered Telephone.

May 2, 2010 00:31 - updated entry for Presidential yacht communications to indicate base station and field trial locations.

May 1, 2010 22:42 - added information to Raytheon aerial platform advertisement.

Apr. 23, 2010 21:25 - added section for Presidential Emergency Facility CRYSTAL, with information and aerial images.

Mar. 20, 2010 12:13 - added interior description and cross-section view of tower to Cannonball and PEF pages.

Jan. 25, 2010 20:04 - added bibliographies of AUTOVON-related documents to AUTOVON page.

Nov. 8, 2009 01:09 - added external link to Paul Fassbender's AUTOVON Telephone Sets page from AUTOVON page.

Sep. 6, 2009 01:40 - added "Commercial Sources" section to Links page, with one entry.

Jun. 9, 2009 21:38 - removed dead links to autodin.net and Jared Hall's "Reminiscing AUTODIN".

May 28, 2009 23:55 - added external link to Hack Green bunker museum in Cheshire, UK.

Jan. 19, 2009 23:07 - added photos of former GTE Hawaiian Tel Molokai microwave station and Molokai undersea fiber-optic cable terminal.

Jan. 9, 2009 19:14 - added external links to atomic bomb-related patents and article about Western Union microwave towers.

Jan. 4, 2009 12:30 - added Bendix guided missile engineer employment ad from 1956.

Dec. 21, 2008 11:22 - added Raytheon advertisement showing aerial platform.

Nov. 26, 2008 22:40 - added page for Former GTE Hawaiian Tel microwave station, Lanai, HI.

Jul. 20, 2008 20:38 - added external link to Stanley R. Mickelsen Safeguard Complex.

May 24, 2008 19:39 - corrected dead external link to The Missile, Space and Range Pioneers;
added external link to Air Force History Index .

May 24, 2008 12:48 - added external link to "Buzzers Mean Bombs" - from Time Magazine, Nov. 14, 1960 from NEAR page.

May 12, 2008 22:15 - added the Atchison Storage Facility.

May 12, 2008 22:05 - added the Tower Shielding Facility.

Apr. 7, 2008 19:46 - updated The FBI CW Radio Network to include source citation.

Apr. 2, 2008 23:34 - added Activities of the Naval Communication System.

Mar. 30, 2008 12:01 - added The FBI CW Radio Network.

Mar. 29, 2008 13:23 - added Tangier Radio Relay System.

Mar. 23, 2008 17:44 - added lower-level floor plan and external link to FAA facility upgrade proposal to Cartwheel page.

Mar. 23, 2008 16:43 - added external lnk to article about backyard bomb shelter in Charlotte, NC.

Mar. 16, 2008 00:31 - added Map of North American AUTOVON switches and overseas AUTOVON technical description, from 1973.

Feb. 26, 2008 19:31 - added RCA MM-26 microwave radio ad.

Feb. 23, 2008 11:49 - added article Citizens Radio Faces the Future from 1958.

Feb. 8, 2008 23:10 - added 1952 CONELRAD Plan.

Jan. 14, 2008 23:55 - added article about General Electric TV microwave relay system.

Jan. 8, 2008 22:41 - added page for Arlington, VA Wireless station.

Jan. 1, 2008 19:28 - added page for Western Union microwave station, Carlinville, IL.

Dec. 9, 2007 17:18 - added article about OCDM Region 5 Center, Denton, TX.

Dec. 9, 2007 11:50 - updated USN CDAAs: End of an Era to reflect abandoned and vandalized status of Panama CDAA.

Nov. 26, 2007 23:54 - updated external link from main page to Commander Naval Security Group History;
updated USN CDAAs: End of an Era to reflect demolition of Wahaiwa, HI CDAA.

Oct. 26, 2007 19:37 - created main page for AT&T Project Office NC-1 [fictitious name], with three photos and updated link to newspaper article.

Sep. 24, 2007 23:31 - added photo and description of Russian Cold War bunker.

Aug. 26, 2007 10:38 - In Public Emergency Radio section:
deleted WGU-20 article at author's request;
added links to four DTIC document abstracts;
added link to DTIC document search;
added link to Wikipedia entry on WGU-20;
added separate page for PER logo.

Aug. 23, 2007 00:50 - added external link from main page to official Cheyenne Mountain Complex site.

Jul. 29, 2007 14:15 - added 1955 network diagram and AT&T cable route map to Mount Weather page.

Jul. 28, 2007 22:26 - added external link to the former West Germany's federal government bunker from main page.

Jul. 27, 2007 10:41 - added external link to the Inland Marine Radio History Archive from main page.

Jul. 27, 2007 09:13 - added external link to Hanza, Okinawa, Japan CDAA demolition (by David Hughes) from CDAA history page, and
external link to Joseph A. Glockner's The Worldwide CT Community and Our Naval Security Group from NAVSECGRU section of main page.

Jun. 8, 2007 22:47 - added external link to Time Magazine article about Mount Weather.

May 28, 2007 10:21 - added page for REL 2600 troposcatter radio equipment.

May 14, 2007 22:05 - added Article from the C&P Telephone of West Virginia "Call" newsletter to NSGA Sugar Grove section.

Apr. 26, 2007 23:04 - replaced dead external link to Physical Security of the Alternate Joint Communications Center with saved copy of document.

Apr. 23, 2007 19:14 - added external link to The Honeysuckle Creek Tracking Station, Canberra, Australia.

Apr. 22, 2007 17:00 - added external link to Environmental assessment for demolition of OTH-B radar receiving antenna at Tule Lake, CA.

Apr. 21, 2007 23:46 - replaced dead external link to press release "Site R Transferred to Detrick" with link to archived copy.

Apr. 18, 2007 23:40 - added Laboratory Reactor advertisement by Atomics International, from 1957.

Apr. 8, 2007 14:14 - added external link to Radio Personality Raises Comunication in Loudoun County.

Apr. 7, 2007 12:10 - added external link to Canada's Diefenbunker museum.

Mar. 31, 2007 19:48 - added external link to "L&N Builds Reactor Training Device".

Mar. 30, 2007 21:41 - added external link from NEAR page to article in the Electronic Encyclopaedia of Civil Defense and Emergency Management

Mar. 30, 2007 01:23 - updated PEF locator map to include non-silo facilities CROWN, CRYSTAL and CREED.

Mar. 25, 2007 21:31 - added Long Island Lighting Company underground control center.

Mar. 25, 2007 20:25 - added locator map to silo-type Presidential Emergency Facilities page.

Mar. 21, 2007 20:23 - added Pioneer Service and Engineering Company advertisement from 1955, featuring atomic power.

Mar. 18, 2007 18:56 - updated external link to Tule Lake, CA OTH-B radar receiving antenna page.

Mar. 16, 2007 11:27 - created page for Presidential Emergency Facility CORKSCREW, with seven images.

Mar. 9, 2007 21:03 - added photo and caption "Sedan Designed for Televising Parades" to new Television section.

Feb. 6, 2007 15:00 - added article "Radioactive Sodium Used in Locating Leak in Heating System".

Jan. 24, 2007 00:35 - replaced dead external link with link to archived copy of Navy ROTHR history page.

Jan. 14, 2007 01:16 - updated notes on WAWS map.

Jan. 13, 2007 22:18 - added external link to article about Fort Miles (Lewes), DE navy SOSUS station.

Jan. 10, 2007 21:06 - added History of Radio Links in Norway, with two external links.

Aug. 29, 2006 21:24 - added two aerial photos from 8/19/2006 to AT&T LSBGVA05 Project Office page.

Aug. 27, 2006 23:54 - added Western Union "Works Like Magic" brochure.

Aug. 11, 2006 16;49 - updated external link to Stony Brook AFS history page.

Aug. 10, 2006 23:17 - added article "Electronic 'Robot' Copies Code" .

June 20, 2006 21:41 - updated external link from AUTOVON page to The Circuit Switched Network Design and Analysis Model: A Chronology of Its Development and Use.

June 19, 2006 00:58 - added article "Electronics - Workhorse at Bikini".

May 23, 2006 22:19 - added external link to U.S. Navy Relocatable Over-the-Horizon Radar (ROTHR).

May 21, 2006 00:25 - added article about under-the-patio fallout shelter.

Apr. 17, 2006 18:17 - added external link to The National Museum of the United States Air Force from Museums page.

Apr. 2, 2006 20:03 - updated article "USN CDAAs: End of an Era" to add Guam as location of a remaining CDAA.

Mar. 22, 2006 18:39 - added external link to The Missile, Space and Range Pioneers, and deleted obsolete entries from Links page.

Mar. 21, 2006 08:22 - created page for 477L Nuclear Detonation Detection System, with excerpt from 1962 General Electric advertisement.

Mar. 19, 2006 17:34 - updated external link to AT&T Ennis, TX from AUTOVON switches page.

Mar. 16, 2006 19:54 - added external link to proposed Cold War/Peace Museum from Museums page.

Mar. 13, 2006 09:06 - added Special Project Fleet web links page.

Mar. 5, 2006 23:00 - added Catalog of prospective donations and loans to a proposed telecommunications museum to Museums page.

Mar. 3, 2006 23:55 - added external link to Jerry Proc's Hyperbolic Radionavigation Systems page.

Feb. 15, 2006 21:16 - added "Naval Security Group History" to main page.

Feb. 15, 2006 17:05 - added Navy press release "Cryptology Officers Get New Name, Boss" to main page.

Feb. 10, 2006 00:41 - added external link to Tule Lake, CA OTH-B radar receiving antenna page.

Feb. 2, 2006 23:28 - added photo of Albuquerque, NM ARTCC.

Jan. 28, 2006 17:12 - created page for Southern Pacific Communications, Warrensville OH.

Jan. 20, 2006 21:12 - added four aerial photos to AT&T Project Office [VA-1] page.

Jan. 19, 2006 19:37 - added six aerial photos to AT&T Project Office HGTWMDQ0010 page.

Jan. 15, 2006 23:22 - added booklet "What You Should Know About the National Plan for Civil Defense and Defense Mobilization".

Jan. 12, 2006 20:21 - restored list of AT&T stations to Echo-Fox page, replacing names of active location with CLLI codes to comply with request from AT&T Corporate Security;
updated external links to site pages.

Jan. 9, 2006 00:16 - added external link to historical report on former USCG Omega station, Haiku, Oahu, HI.

Jan. 1, 2006 20:24 - added external link to aerial image from Baltimore, MD Civil Defense Control Center page, and updated text.

Dec. 23, 2005 02:00 - created page for Baltimore, MD Civil Defense Control Center, with three entries.

Dec. 16, 2005 21:53 - added excerpts from Baltimore, MD Civil Defense Manual.

Dec. 12, 2005 10:50 - created CONELRAD page and added CONELRAD plan for Hawaii.

Nov. 22, 2005 23:17 - corrected obsolete external link to Smithsonian Institution Conservation and Research Center's history page.

Nov. 11, 2005 21:24 - added 1960 article about the G-Line system.

Nov. 9, 2005 22:42 - updated name and external link to Naval Network and Space Operations Command.

Nov. 6, 2005 21:22 - added external links to NAVSPASUR sites, replacing dead link:
U.S. Navy Fact Sheet
"Navy Transfers Space Surveillance Mission to Air Force" (U.S. Navy press release)
US Naval Space Command Space Surveillance System (Federation of American Scientists site)

Nov. 4, 2005 22:39 - added external links to NSG history sites:
Commander Naval Security Group History;
History of the Naval Security Group

Oct. 19, 2005 22:37 - added external link to U.S. Navy ELF overview from ELF page.

Oct. 7, 2005 00:51 - added Navy press release announcing end of Naval Security Group Command to main page.

Oct. 1, 2005 00:04 - added entries to state and local civil defense facilities list.

Sep. 25, 2005 - created NEAR page with 1961 "Electrical World" article.

Sep. 20, 2005 22:53 - added article "Closed Naval Security Group Sites".

Sep. 11, 2005 23:34 - created Texas Towers page with July 1955 news item about first tower.

Aug. 27, 2005 10:37 - added page for AT&T Project Office [VA-6] (fictitious name), with three photos.

July 24, 2005 01:08 - added text of 1957 speech about CONELRAD.

July 21, 2005 23:01 - added article about the U.S. Navy's Special Project Fleet.

July 11, 2005 22:11 - added article "USN CDAAs: End of an Era".

July 4, 2005 00:42 - added article about Dumont Vitascan system.

July 4, 2005 00:09 - added external link to article about Desk-Fax transceiver to Western Union section.

July 3, 2005 00:24 - added external link to images of CDDA at Naval Communications Station San Diego.

June 9, 2005 23:59 - replaced inactive link with link to archived copy of article about NSGA Sugar Grove.

June 5, 2005 21:43 - added Sugar Grove History and its Two CDAAs to Sugar Grove section.

May 27, 2005 21:23 - added satellite image of NSGA Sugar Grove, WV.

May 13, 2005 21:16 - updated Diplomatic Telecommunications Service Regional Relay Facility, Opana, Oahu, HI with additional photos and link.

May 12, 2005 19:29 - added Radio Construction Company booklet.

Apr. 14, 2005 23:44 - added page for Diplomatic Telecommunications Service Regional Relay Facility, Opana, Oahu, HI.

Apr. 12, 2005 16:05 - updated Western Union section to use new URL for Smithsonian Archive Center link.

Mar. 13, 2005 15:21 - corrected Tenley Tower page to display photos;
updated WISP page to include renaming of Western Maryland College .

Jan. 29, 2005 22:50 - added SAGE section to main page, with link to Radechon tube page.

Jan. 25, 2005 18:29 - corrected link from main page to January 1966 Lenkurt Demodulator article on AUTOVON and AUTODIN.

Jan. 21, 2005 21:00 - added page for AT&T "Project Office" CLLI code HGTWMDQ0010;
deleted station's actual name from Project Office main page per request from AT&T Corporate Security.

Oct. 10, 2004 19:22 - corrected orientation of image on ELF page.

Oct. 9, 2004 23:24 - added page for U.S. Navy ELF submarine communications system.

Sep. 30, 2004 22:26 - added AUTOVON main page.

Sep. 2, 2004 23:06 - added information to Toledo Junction entry in AUTOVON switch list.

Aug. 27, 2004 00:48 - made multiple updates to AUTOVON switch list.

Aug. 24, 2004 22:57 - on AUTOVON switch list, added link to Brad Cobo's Ennis, TX AT&T page;
added turn-up date to Chesterfield, MA entry.

Aug. 24, 2004 16:00 - added list of AUTOVON switching centers (initial draft).

Aug. 16, 2004 21:00 - updated "Washington Builds for War" call-for-papers announcement to show new, Sep. 6 deadline for submitting abstracts.

July 29, 2004 22:57 - added external link to Stony Brook AFS web site.

June 30, 2004 01:51 - updated external link to Physical Security of the Alternate Joint Communications Center in the AJCC section.

June 29, 2004 21:55 - added "Waiting for the End of the World" to the Books section.

June 27, 2004 23:09 - updated Links page with new URL and name for The Nuclear Weapon Archive (formerly the High Energy Weapons Archive).

June 10, 2004 00:15 - added Site P, Site T, and Ft. Meade to map of AJCC-associated microwave sites.

June 4, 2004 20:57 - added Cross-section drawing of CARTWHEEL facility to Presidential Emergency Facilities page.

June 1, 2004 22:38 - added external link to Keeping Presidents in the Nuclear Dark (Episode #1: The Case of the Missing "Permissive Action Links") from Links page.

May 16, 2004 18:55 - added image of Echo-Fox radio transceiver to Echo-Fox page.

May 9, 2004 19:40 - Modified AT&T Project Office page to use fictitious names for active AT&T facilities;
restored page for one Project Office location under name [VA-1]; restored external link for one Project Office location under name [NC-1].

May 7, 2004 23:31 - added RCA advertisement featuring Western Union microwave relay system to Western Union section.

May 3, 2004 22:59 - added front cover of WU recruiting brochure showing Tenley Tower to Western Union section.

Apr. 29, 2004 09:59 - added Upcoming Events section, with entries for "Washington Builds for War" symposium.

Apr. 28, 2004 22:08 - On AJCC page, added external link to "Site R Transferred to Detrick" press release, and noted dead external link to AJCC Physical Security document.

Apr. 14, 2004 01:34 - Added Cartwheel street maps and four photos of Cartwheel to Presidential Emergency Facility page.

Apr. 11, 2004 13:34 - Created Presidential Emergency Facility page and moved Cannonball material there from main page;
added DERP-FUDS report for Fort Reno (Cartwheel location).

Mar. 21, 2004 02:56 - updated external links to Mike Jacobs's Greenbrier bunker page and AT&T Long Lines Kates Mountain, WV page from Greenbrier page.

Mar. 21, 2004 02:10 - added map of microwave stations associated with the AJCC to AJCC section.

Mar. 1, 2003 08:58 - deleted station list and antenna photo from Echo-Fox page, pending redaction of active former Long Lines sites at request of AT&T Corporate Security.

Feb. 25, 2004 19:27 - added Desk-Fax paragraph to Western Union section, with four photos.

Feb. 22, 2004 22:15 - deleted external links for Arlington 2, VA; Moseley, VA; Dranesville, VA; Monrovia, MD; Finksburg, MD; and Faulkner, MD from AT&T section at the request of AT&T Corporate Security.

Feb. 22, 2004 21:05 - deleted all information for Charlottesville 2, VA; Leesburg 5, VA; and Chatham, NC from AT&T Project Offices page at the request of AT&T Corporate Security.

Jan. 17, 2004 20:09 - added AT&T "ML" Government Mobile Radio System page.

Jan. 5, 2004 21:52 - added SOSUS section to main page, with two external links.

Jan. 5, 2004 14:07 - updated Notch page to use new URL for Walter Kiczko's "The Notch" page.

Jan. 1, 2004 20:44 - added Cheyenne Mountain Complex section with article "A Blast-Resistant Communications Network".

Dec. 26, 2003 12:32 - added photos and descriptive text for Jefferson County, WV Transmittter and Receiver Sites.

Dec. 20, 2003 18:28 - added page for Jefferson County, WV Transmittter and Receiver Sites.

Dec. 13, 2003 21:11 - posted Collins KWT-6 transceiver general description.

Dec. 7, 2003 13:22 - added State/Local Civil Defense section with article on LA County Sheriff's Dept. communications center.

Dec. 5, 2003 10:00 - changed link to Western Union Alumni web site to use new URL.

Dec. 1, 2003 22:35 - added link to David Massey's DEW Line page from main page.

Nov. 17, 2003 19:45 - added "WU Enters Voice Field" article to Western Union section.

Nov. 2, 2003 23:36 - added page for DC civil defense EOC, with 28 photos.

Nov. 2, 2003 07:29 - added Jason Gnatowsky's photos; updated text on AT&T Buckingham, VA page.

Oct. 12, 2003 19:37 - added JCSAN/COPAN page.

Oct. 8, 2003 23:46 - added photo of console in Presidential communications car, from 1952.

Aug. 29, 2003 19:08 - updated Mount Weather page, including name change to "Mount Weather Emergency Operations Center".

Aug. 5, 2003 22:50 - added page for former Western Union Short Hill Mountain station.

Jul. 11, 2003 18:20 - created AT&T "Project Offices" page with troposcatter radio path map; moved Leesburg 5 and Buckingham onto "Project Offices" page; added link from "Project Offices" page to magazine article about Chatham station.

Apr. 27, 2003 21:28 - added nuclear explosion detector patent to Bomb Alarm section.

Apr. 27, 2003 01:33 - updated Western Union section:
(1) added link to Brandywine Tower Service web site;
(2) added link to Delaware Repeater Association's Brandywine tower web site;
(3) added link to Kansas City(?) tower photo, ca. 1955.

Apr. 26, 2003 23:25 - updated Western Union section:
(1) changed RWUEA link to use organization's new URL;
(2) added link to Western Union Alumni web site;
(3) added link to Western Union archives finding aid at the National Museum of American History;
(4) added link to Sky Valley earth station and San Francisco office photos.

Apr. 26, 2003 19:26 - added link to newspaper article about Sugar Grove.

Apr. 25, 2003 19:15 - created section for NSGA Sugar Grove, with AT&T communications route diagram.

Apr. 4, 2003 22:05 - added Images section with four photos to "The Notch" page.

Mar. 27, 2003 20:20 - added section "Communications for the Presidential Yacht", including AT&T 1971 memo.

Mar. 9, 2003 18:12 - added links to UK National Archives' Essex Bunker page and Bunker Archive Preservation Trust pagefrom main page.

Feb. 22, 2003 11:14 - added link to Horse Ridge Cellars from main page.

Feb. 20, 2002 21:47 - added annotated photo to Leesburg 5 page.

Feb. 16, 2003 22:50 - added date to WAWS microwave network map.

Feb. 9, 2003 09:49 - added link to Vaux Electronics' Teletypwriters site from Links page.

Jan. 31, 2003 15:45 - added page for AT&T Leesburg No. 5.

Jan. 16, 2003 22:03 - updated Mt. Weather page to use new FEMA Mt. Weather URL.

Jan. 12, 2003 17:17 - updated Echo-Fox page to mention Jackie Jones Mountain, NY as an E-F site.

Jan. 4, 2003 19:49 - added coverage map and Dave Emery's network description to Echo-Fox page.

Dec. 19, 2002 16:22 - created page for "The Notch", with four links.

Dec. 8, 2002 21:00 - added link to David Rotenstein's draft National Register of Historic Places report from Western Union Tenley Tower page.

Dec. 3, 2002 22:10 - added WAWS page;
updated WU Tenley Tower text.

Nov. 25, 2002 22:13 - added Otisco, NY plaque to Western Union section.

Nov. 18, 2002 00:48 - added BMEWS section with Dec. 1965 Electronics World news item.

Nov. 16, 2002 16:35 - added "Bomb Alarm, Thule B-52 crash of 1960, and very long phone line" story to Bomb Alarm section.

Oct. 31, 2002 20:00 - added link to GlobalSecurity.org's AJCC page from AJCC page.

Oct. 26, 2002 21:15 - added MARS section under "Other Interesting Topics" on main page.

Oct. 7, 2002 01:10 - added links to Mark Foster's Finksburg and Moseley pages from AT&T section of index page.

Oct. 6, 2002 23:17 - added "Branch 1, VA" as possible name for Mt. Weather, on Mt. Weather page.

Oct. 4, 2002 20:50 - added link to Mike Jacobs's Greenbrier bunker page and my AT&T Kates Mountain page, from the Greenbrier page.

Sep. 28, 2002 10:48 - added links to web page for Norway, IL from entries on Echo-Fox and FTS pages.

Sep. 22, 2002 13:41 - added page for Western Union Junction Office, Mt. Aukum, CA

Sep. 20, 2002 20:50 - added FTS page.

Sep. 6, 2002 12:29 - corrected obsolete URL for Research Study Group on Links page.

Jul. 14, 2002 22:04 - added photo of antennas at Norway, IL to Echo-Fox page.

Jun. 20, 2002 20:07 - added links to table on Echo-Fox page, to web pages describing some E-F stations.

Jun. 16, 2002 21:31 - added Echo-Fox page.

Jun. 5, 2002 16:04 - expanded and updated text of Western Union Tenley Tower page.

May 25, 2002 00:48 - added 1947 Western Union microwave advertisement to WU section of main page.

May 22, 2002 00:48 - added article "Improvements in Western Union's First Microwave Telegraph System" to Western Union section.

May 15, 2002 10:40 - added Aerial Photos section to Buckingham, VA page.

May 11, 2002 00:18 - added Contributed Images - Interior section to Buckingham, VA page, and edited text.

Apr. 28, 2002 13:22 - updated text on Mt. Weather page, and added map of American Satellite microwave link.

Apr. 10, 2002 22:41 - added Missile Master section with 3/58 Radio-TV News article to main page.

Apr. 10, 2002 00:13 - added quote from Mar. 1964 DCA NMCS presentation to DUCC page.

Apr. 9, 2002 22:01 - added Mar. '61 DCA briefing to SecDef on "Communications Facilities at National Level"

Apr. 8, 2002 23:18 - added 3rd-floor plan to Mount Pony page.

Mar. 30, 2002 22:58 - added Contributed Images section to Buckingham Troposcatter page.

Mar. 20, 2002 21:03 - added 9 Mar. 1951 memo to AJCC page.

Mar. 17, 2002 23:55 - added section for books about Robert Hanssen to Books page, with three titles.

Mar. 13, 2002 11:40 - added entry for Dept. of State ERS at Front Royal, VA to main page.

Mar. 8, 2002 00:08 - added Links section to Mount Weather page.

Mar. 3, 2002 01:08 - changed entry for "Plans for Control of Transportation During National Emergencies" to give instructions for downloading of PDF file, because file could not be viewed directly.

Feb. 25, 2002 00:38 - added section of links to C3I contractor retiree group web sites.

Feb. 23, 2002 18:15 - added citation for LBJ Library documents to DUCC page.

Feb. 19, 2002 10:00 - deleted link to AUTODIN/CRCSS web ring, due to ring provider terminating service.

Feb. 14, 2002 21:19 - added DC-area AAA sites map and link to MA-RI Nike page.

Feb. 8, 2002 18:40 - added link to AJCC Physical Security manual to AJCC page.

Feb. 3, 2002 22:06 - added page for Buckingham troposcatter relay station.

Jan. 13, 2002 22:07 - added link to AUTODIN/CRCSS Web Ring to index page.

Jan. 7, 2002 22:20 - added link to U.K. Cold War Communications web site from Links page, and created section on that page for U.K. sites.

Dec. 19, 2001 21:28 - added WU-CPI 1977 network map to Western Union section.

Nov. 18, 2001 13:16 - Added second-floor plan to Mt. Pony section.

Nov. 10, 2001 09:36 - added links to RWUEA and ACNet web sites to Western Union section.

Nov. 6, 2001 00:01 - Added first-floor plan to Mt. Pony section.

Oct. 14, 2001 20:47 - Changed AJCC page to link to the new URL of Tim Tyler's C3I site.

Oct. 6, 2001 20:23 - Added Western Maryland College/Office of Censorship/WISP page.

Sep. 4, 2001 17:41 - Changed URLs for The Early Warning Connection and Tim Tyler's C3I Page on Links page to use those sites' new locations.

Aug. 25, 2001 22:33 - Added 11 June 1951 memo to AJCC page.

Aug. 2, 2001 23:21 - Added links to Jim Hawkins' and Merle Parten's pages to NSS Annapolis section.

Jul 21, 2001 22:14 - Added "News Articles" section to Mount Weather page.

Jul. 21, 2001 00:18 - Added Harper's Ferry Bomb Shelter page.

Jul. 7, 2001 22:24 - Added "Museums" page.

Jul. 6, 2001 23:45 - Added "Satellite Imagery" section to Mount Weather page.

Jul. 1, 2001 13:01 - Added "The Language of Nuclear War" and "Nuclear War in the 1980s?" to Books page.

Jun. 19, 2001 23:58 - Added "Discussion Forums" section to main page.

Jun. 19, 2001 08:30 - Added "Plans for Control of Transportation During National Emergencies" to main page.

Jun. 10, 2001 21:23 - Added Consolidated Microwave Route Requirements diagram to AJCC page.

Jun. 10, 2001 15:32 - Added 12 Jun. 1951 memorandum to AJCC page.

May 27, 2001 17:50 - Added Site E page.

May 20, 2001 15:28 - Added link to FEMA's Mt. Weather EAC web page, and site location information, to Mount Weather page.

Apr. 28, 2001 08:08 - Added list of names to Mount Weather page.

Apr. 25, 2001 22:48 - Added Naval Space Command to main page.

Apr. 18, 2001 22:48 - Added Military Heritage in the Cold War and Dept. of the Navy Reference Guide to Historic Properties to "Links" page.

Mar. 23, 2001 22:37 - Added JATS document.

Mar. 23, 2001 00:05 - Added JEEP document.

Feb. 27, 2001 22:44 - Added WAWAS page.

Feb. 9, 2001 22:33 - Added annotated east-side map to Mt. Weather page.

Feb. 3, 2001 19:10 - Added "The Making of the Atomic Bomb", "Dark Sun", and "Skunk Works" to the Books page, and organized titles into subject categories.

Dec. 19, 2000 20:26 - Added image of "Perki" to article on Public Emergency Radio.

Nov. 18, 2000 22:30 - added link to newly-created Dranesville page in AT&T section of main page.

Nov. 13, 2000 20:07 - added "Civil Defense" section to "Links" page.

Nov. 4, 2000 21:56 - added map of Western Union's Washington-Pittsburgh-New York City microwave routes.

Nov. 1, 2000 09:37 - added map of COMLOGNET.

Oct. 25, 2000 23:35 - added station list to Western Union section.

Oct. 24, 2000 23:40 - added section on Bomb Alarm System, with Western Union brochure.

Oct. 24, 2000 21:18 - added New York Times article on COMLOGNET to "General information on defense communciations" section.

Oct. 15, 2000 19:28 - added COMLOGNET Fact Sheet to "General information on defense communciations" section.

Oct. 13, 2000 21:00 - added "General information on defense communciations" section with Lenkurt "Demodulator" article about AUTOVON and AUTODIN.

Oct. 8, 2000 12:11 - added memorandum on "Gold" to "Other Interesting Topics" section.

Oct. 2, 2000 01:16 - added photo of north side of WU Junction Office near Romney, WV

Oct. 1, 2000 21:26 - added photo of west side of WU Junction Office near Romney, WV

Sep. 2, 2000 22:48 - Added photos 12, 13, 14,15, 17, 18, 19,20, 21, and 22 to Greenbrier page.

Jul. 25, 2000 23:36 - Added synopsis of presentation on the design of VLF transmitting antennas.

Jul. 19, 2000 18:55 - Updated the main page to include new information explaining the Thurmont, MD passive repeater, and moved the web page for that structure to my Bell System web site.

Jul. 16, 2000 23:34 - Added 10 photos from public tour to Greenbrier page.

Jul. 12, 2000 23:34 - Moved Greenbrier material to separate page, and added link to The Atomic Tourist's Greenbrier page.

Jun. 18, 2000 19:58 - Added article titled "A Microwave System for Telegraph Service" to Western Union page.

Jun. 16, 2000 10:22 - added article about passive microwave repeaters to Piney Mountain page.

Jun. 3, 2000 21:08 - added link to "Tom's Cold War Memories Page".

May 20, 2000 23:30 - created AJCC page, and added May 1951 document concerning AJCC microwave network.

May 10, 2000 19:37 - added link to Beverly, MA Nike Project

Apr. 23, 2000 13:30 - Added page for Mount Weather.

Apr. 23, 2000 12:00 - Added page for possible microwave reflector north of Thurmont, MD.

Apr. 21, 2000 - Added information about 1977 Corps of Engineers ANMCC improvement program to DUCC page.

March 6, 2000 - Updated Western Union information, added link to AUTOVON page.

Feb. 13, 2000 - Added section for USAF 789th Communications Squadron (Brandywine and Davidsonville, MD).

Feb. 7, 2000 - Added "To Defend and Deter" and "American Forces in Berlin 1945-1994" to books page.

Jan. 27, 2000 - Added "Blind Man's Bluff" to books page, added link to updated page for AT&T Faulkner, MD station to main page.

Jan. 16, 2000 - Added entry for Tim Tyler's C3I page to Web Links page. Added introductory text to AT&T section, and direct link to Monrovia page.

Jan. 13, 2000 (#2) - Added "The Sword and the Shield" to books page.

Jan. 13, 2000 (#1) - Added British films "Threads" and "The War Game" to movies page.

Jan. 9, 2000 - added brief description to Greenbrier entry, and link to the hotel's web page giving tour information.

Dec. 8, 1999 - added entries for Mark Foster's L-4 page and NARA Cold War Conference proceedings to Web Links page.

Dec. 5, 1999 - moved AT&T microwave pages (Aldie, Clarksville, Linden, and Monrovia) to new Bell System web site, at http://www.homestead.com/bellsystem/files/places/index.html.

Nov. 2, 1999 - added "The Story of Telecommunications" and "U.S. Nuclear Weapons: The Secret History" to Books page.

Oct. 27, 1999 - Updated text for AT&T Clarksville, and added microwave path map.

Oct. 26, 1999 - Updated AT&T Monrovia page to show possible path to Clarksville, and minor editorial changes. Created page for Clarksville.

Oct. 21, 1999 - Added entry for Permissive Action Links article to Web Links page.

Oct. 6, 1999 - Added link for Research Study Group site to Web Links page.

Sep. 29, 1999 - Added section on Western Union to main page, and created new page on WU's Tenleytown, DC station.

Aug. 30, 1999 - Added links for CNN "Cold War" site and National Security Archive to Web Links page.

Aug. 25, 1999 - Added links for Air Force Space and Missile Museum and 789th Communications Squadron to Web Links page.

Aug. 24, 1999 - Added list of movies having Cold War themes.

Aug. 23, 1999 - added "In From the Cold" newsletter, Crypto Machines page, and High Energy Weapons Archive to Web Links page.

Aug. 22, 1999 - added "The Invention that Changed the World" to Books page.

Added Cold War web links page.

Jul. 27, 1999 - added descriptive text to AT&T Monrovia page.

Jul. 15, 1999 - added skeleton page for AT&T Monrovia, MD microwave station and underground L-carrier facility.

Jul. 09, 1999 - updated AT&T Aldie, VA microwave station page to show canceled paths, and to display more readable path map.

Jul. 06, 1999 - added more entries to "Books" page.

Jul. 03, 1999 - added more entries to "Books" page.

Jul. 02, 1999 - added "Books" page.

Jun. 29, 1999 - added picture of re-decorated L-carrier repeater hut to "Repeaters" page.

Jun. 28, 1999 - added more pictures and descriptions to the Presidential Emergency Facilities "Cannonball" page.