http://interceptradio.com/wiki/index.php?title=OTHB_Radar&action=history Revision history for this page on the wiki en MediaWiki 1.15.1 Tue, 07 Apr 2026 03:59:33 GMT http://interceptradio.com/wiki/index.php?title=OTHB_Radar&diff=483&oldid=prev <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 01:00, 18 June 2010</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 12:</td> <td colspan="2" class="diff-lineno">Line 12:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; Christmas Valley (Oregon) transmitter</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; Christmas Valley (Oregon) transmitter</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; &nbsp;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; &nbsp;</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>http://www.interceptradio.com/files/US/WA/<del class="diffchange diffchange-inline">xmasvalley_orig</del>.png &nbsp;</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>http://www.interceptradio.com/files/US/WA/<ins class="diffchange diffchange-inline">xmasvalley</ins>.png &nbsp;</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; &nbsp;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; &nbsp;</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; Tule Lake (California) receiver</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; Tule Lake (California) receiver</div></td></tr> <!-- diff generator: internal 2026-04-07 03:59:33 --> </table> Fri, 18 Jun 2010 01:00:06 GMT Rich http://interceptradio.com/wiki/index.php/Talk:OTHB_Radar http://interceptradio.com/wiki/index.php?title=OTHB_Radar&diff=464&oldid=prev <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 15:12, 10 June 2010</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 12:</td> <td colspan="2" class="diff-lineno">Line 12:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; Christmas Valley (Oregon) transmitter</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; Christmas Valley (Oregon) transmitter</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; &nbsp;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; &nbsp;</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>http://www.interceptradio.com/files/US/WA/<del class="diffchange diffchange-inline">xmasvalley</del>.png &nbsp;</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>http://www.interceptradio.com/files/US/WA/<ins class="diffchange diffchange-inline">xmasvalley_orig</ins>.png &nbsp;</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; &nbsp;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; &nbsp;</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; Tule Lake (California) receiver</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&nbsp; Tule Lake (California) receiver</div></td></tr> <!-- diff generator: internal 2026-04-07 03:59:33 --> </table> Thu, 10 Jun 2010 15:12:36 GMT Rich http://interceptradio.com/wiki/index.php/Talk:OTHB_Radar http://interceptradio.com/wiki/index.php?title=OTHB_Radar&diff=26&oldid=prev <p>Created page with &#39; OTHB Radar Antenna - W7KI expedition - August 2005 Most ham operators and shortwave listeners are familiar with the &quot;Russian Woodpecker&quot; which was an OTHB radar system tha…&#39;</p> <p><b>New page</b></p><div> OTHB Radar Antenna - W7KI expedition - August 2005<br /> <br /> Most ham operators and shortwave listeners are familiar with the<br /> &quot;Russian Woodpecker&quot; which was an OTHB radar system that plagued the HF bands<br /> up until the 1980's. There was also an American OTHB system with stations on the<br /> west coast and east coast of the continental U.S. <br /> <br /> More information is available here: http://www.globalsecurity.org/wmd/systems/an-fps-118.htm<br /> <br /> Here are some satellite photos...<br /> <br /> Christmas Valley (Oregon) transmitter<br /> <br /> http://www.interceptradio.com/files/US/WA/xmasvalley.png <br /> <br /> Tule Lake (California) receiver<br /> <br /> http://www.interceptradio.com/files/US/WA/tulelake.png <br /> <br /> The satellite photos don't do this place justice so it was time for a road trip.<br /> <br /> Here are some photos of the Tule Lake site (north end of northernmost antenna): <br /> <br /> Antenna (full view) <br /> http://www.interceptradio.com/files/US/WA/05082602.jpg<br /> <br /> Antenna (close-up of tower sections) <br /> http://www.interceptradio.com/files/US/WA/05082603.jpg<br /> <br /> Antenna (end view) <br /> http://www.interceptradio.com/files/US/WA/05082604.jpg<br /> <br /> Antenna (end view close-up) <br /> http://www.interceptradio.com/files/US/WA/05082605.jpg<br /> <br /> Antenna (wire mesh) <br /> http://www.interceptradio.com/files/US/WA/05082606.jpg<br /> <br /> Antenna (ground mesh) <br /> http://www.interceptradio.com/files/US/WA/05082607.jpg<br /> <br /> Antenna (top close-up) <br /> http://www.interceptradio.com/files/US/WA/05082609.jpg<br /> <br /> Antenna (ground mesh close-up) <br /> http://www.interceptradio.com/files/US/WA/05082610.jpg<br /> <br /> Antenna (back side) <br /> http://www.interceptradio.com/files/US/WA/05082611.jpg<br /> <br /> Antenna (front side) <br /> http://www.interceptradio.com/files/US/WA/05082612.jpg<br /> <br /> Unfortunately I wasn't able to plug my radio into it.</div> Wed, 06 Jan 2010 02:20:38 GMT Rich http://interceptradio.com/wiki/index.php/Talk:OTHB_Radar