http://www.carnarvonspace.com/wiki/index.php?title=VERLORT_Radar&action=history&feed=atomVERLORT Radar - Revision history2024-03-29T10:31:01ZRevision history for this page on the wikiMediaWiki 1.7.1http://www.carnarvonspace.com/wiki/index.php?title=VERLORT_Radar&diff=3578&oldid=prevPaul at 03:42, 21 November 20112011-11-21T03:42:51Z<p></p>
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<tr><td> </td><td style="background: #eee; font-size: smaller;">{{SideMenuVerlort}}</td><td> </td><td style="background: #eee; font-size: smaller;">{{SideMenuVerlort}}</td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">[[Image:muc-verlort.jpg|right|thumbnail|190px|The VERLORT radar at Muchea:<BR>''Photo - ???'']]</td><td> </td><td style="background: #eee; font-size: smaller;">[[Image:muc-verlort.jpg|right|thumbnail|190px|The VERLORT radar at Muchea:<BR>''Photo - ???'']]</td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;"><span style="color: red; font-weight: bold;"><BR></span><BR></td><td>+</td><td style="background: #cfc; font-size: smaller;"><BR></td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">The '''VER'''y '''LO'''ng '''R'''ange '''T'''racking (VERLORT) S-band radar (2700 t0 2900 MHz) was an extended-range version of the '''SCR-584''' - often credited as ''"'''the radar that won WW II'''"''. </td><td> </td><td style="background: #eee; font-size: smaller;">The '''VER'''y '''LO'''ng '''R'''ange '''T'''racking (VERLORT) S-band radar (2700 t0 2900 MHz) was an extended-range version of the '''SCR-584''' - often credited as ''"'''the radar that won WW II'''"''. </td></tr>
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Paulhttp://www.carnarvonspace.com/wiki/index.php?title=VERLORT_Radar&diff=3577&oldid=prevPaul at 03:41, 21 November 20112011-11-21T03:41:43Z<p></p>
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<td colspan='2' width='50%' align='center' style="background-color: white;">Revision as of 03:41, 21 November 2011</td>
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<tr><td> </td><td style="background: #eee; font-size: smaller;">For space missions, its range was increased from 650 Km to 4000 Km and the dish diameter from 1.8 m to 3 m; it was given a long name befitting its new space-tracking capabilities. The Red Lake (Woomera) Mercury tracking station used the more accurate AN/FPS-16 radar installed at Woomera for previous space activities.</td><td> </td><td style="background: #eee; font-size: smaller;">For space missions, its range was increased from 650 Km to 4000 Km and the dish diameter from 1.8 m to 3 m; it was given a long name befitting its new space-tracking capabilities. The Red Lake (Woomera) Mercury tracking station used the more accurate AN/FPS-16 radar installed at Woomera for previous space activities.</td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;"></td><td> </td><td style="background: #eee; font-size: smaller;"></td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;">[[Image:cro-verlort.jpg|left|thumbnail|180px|The VERLORT radar reinstalled at Carnarvon <span style="color: red; font-weight: bold;">just beside </span>the AcqAid antennas:<BR>''Photo - Alan Gilham'']]</td><td>+</td><td style="background: #cfc; font-size: smaller;">[[Image:cro-verlort.jpg|left|thumbnail|180px|The VERLORT radar reinstalled at Carnarvon <span style="color: red; font-weight: bold;">nearby </span>the AcqAid antennas:<BR>''Photo - Alan Gilham'']]</td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;"></td><td> </td><td style="background: #eee; font-size: smaller;"></td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">The Verlort performed reliably for the six Mercury orbital missions at Muchea. It was then relocated to the new Gemini tracking station at Carnarvon as an acquisition aid and back-up for the even more accurate FPQ-6 radar to be installed there.</td><td> </td><td style="background: #eee; font-size: smaller;">The Verlort performed reliably for the six Mercury orbital missions at Muchea. It was then relocated to the new Gemini tracking station at Carnarvon as an acquisition aid and back-up for the even more accurate FPQ-6 radar to be installed there.</td></tr>
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Paulhttp://www.carnarvonspace.com/wiki/index.php?title=VERLORT_Radar&diff=3284&oldid=prevPaul at 00:33, 28 February 20082008-02-28T00:33:44Z<p></p>
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<tr><td> </td><td style="background: #eee; font-size: smaller;">----</td><td> </td><td style="background: #eee; font-size: smaller;">----</td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;"><span style="color: red; font-weight: bold;">Note that the </span>'''SCR-584''' pedestals and angle-control mechanisms were widely used by NASA as the basis of other antenna systems; for example, the VHF Acquisition Aid and Telemetry Antennas for the Mercury, Gemini and Apollo projects.</td><td>+</td><td style="background: #cfc; font-size: smaller;"><span style="color: red; font-weight: bold;">The </span>'''SCR-584''' pedestals and angle-control mechanisms were widely used by NASA as the basis of other antenna systems; for example, the VHF Acquisition Aid and Telemetry Antennas for the Mercury, Gemini and Apollo projects.</td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;"></td><td> </td><td style="background: #eee; font-size: smaller;"></td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">----</td><td> </td><td style="background: #eee; font-size: smaller;">----</td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;"><span style="color: red; font-weight: bold;">For an overall technical description of </span>the '''SCR-584''' radar <span style="color: red; font-weight: bold;">see </span>the '''November & December 1945''' issues of '''‘Electronics’''' magazine at <span style="color: red; font-weight: bold;">http://www.hamhud.net/darts/scr584.html</span>.</td><td>+</td><td style="background: #cfc; font-size: smaller;"><span style="color: red; font-weight: bold;">See http://www.hamhud.net/darts/scr584.html for a 'memorial' to </span>the '''SCR-584''' radar<span style="color: red; font-weight: bold;">. Note the overall technical description contained in </span>the '''November & December 1945''' issues of '''‘Electronics’''' magazine at <span style="color: red; font-weight: bold;">that site</span>.</td></tr>
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Paulhttp://www.carnarvonspace.com/wiki/index.php?title=VERLORT_Radar&diff=3283&oldid=prevPaul at 00:23, 28 February 20082008-02-28T00:23:50Z<p></p>
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<tr><td> </td><td style="background: #eee; font-size: smaller;">----</td><td> </td><td style="background: #eee; font-size: smaller;">----</td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;"><span style="color: red; font-weight: bold;">As a matter of interest, </span>the SCR-584 pedestals and angle-control mechanisms were used by NASA as the basis of <span style="color: red; font-weight: bold;">many </span>antenna systems; for example, the VHF Acquisition Aid and Telemetry Antennas <span style="color: red; font-weight: bold;">used </span>for the Mercury, Gemini and Apollo projects.</td><td>+</td><td style="background: #cfc; font-size: smaller;"><span style="color: red; font-weight: bold;">Note that </span>the <span style="color: red; font-weight: bold;">'''</span>SCR-584<span style="color: red; font-weight: bold;">''' </span>pedestals and angle-control mechanisms were <span style="color: red; font-weight: bold;">widely </span>used by NASA as the basis of <span style="color: red; font-weight: bold;">other </span>antenna systems; for example, the VHF Acquisition Aid and Telemetry Antennas for the Mercury, Gemini and Apollo projects.</td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;"></td><td> </td><td style="background: #eee; font-size: smaller;"></td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">----</td><td> </td><td style="background: #eee; font-size: smaller;">----</td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;">For an overall technical description of the SCR-584 radar see the '''November & December 1945''' issues of '''‘Electronics’''' magazine at http://www.hamhud.net/darts/scr584.html.</td><td>+</td><td style="background: #cfc; font-size: smaller;">For an overall technical description of the <span style="color: red; font-weight: bold;">'''</span>SCR-584<span style="color: red; font-weight: bold;">''' </span>radar see the '''November & December 1945''' issues of '''‘Electronics’''' magazine at http://www.hamhud.net/darts/scr584.html.</td></tr>
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Paulhttp://www.carnarvonspace.com/wiki/index.php?title=VERLORT_Radar&diff=3275&oldid=prevPaul at 05:40, 27 February 20082008-02-27T05:40:31Z<p></p>
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<tr><td> </td><td style="background: #eee; font-size: smaller;">Although the Verlort was kept operational at Carnarvon for the first few missions it was soon taken off the operational list once the FPQ-6 proved its reliability and other acquisition methods also proved sufficient.</td><td> </td><td style="background: #eee; font-size: smaller;">Although the Verlort was kept operational at Carnarvon for the first few missions it was soon taken off the operational list once the FPQ-6 proved its reliability and other acquisition methods also proved sufficient.</td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;"></td><td> </td><td style="background: #eee; font-size: smaller;"></td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;">The SCR radars, developed at the MIT laboratories, were remarkable for MIT’s innovative mechanical solutions to radar operations that are now met by electronic methods in modern radars: see [[<span style="color: red; font-weight: bold;">technical </span>Details]]</td><td>+</td><td style="background: #cfc; font-size: smaller;">The SCR radars, developed at the MIT laboratories, were remarkable for MIT’s innovative mechanical solutions to radar operations that are now met by electronic methods in modern radars: see [[<span style="color: red; font-weight: bold;">SCR-584 Technical Description|Technical </span>Details]]</td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;"></td><td> </td><td style="background: #eee; font-size: smaller;"></td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">----</td><td> </td><td style="background: #eee; font-size: smaller;">----</td></tr>
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Paulhttp://www.carnarvonspace.com/wiki/index.php?title=VERLORT_Radar&diff=3274&oldid=prevPaul at 05:38, 27 February 20082008-02-27T05:38:40Z<p></p>
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<tr><td> </td><td style="background: #eee; font-size: smaller;">Although the Verlort was kept operational at Carnarvon for the first few missions it was soon taken off the operational list once the FPQ-6 proved its reliability and other acquisition methods also proved sufficient.</td><td> </td><td style="background: #eee; font-size: smaller;">Although the Verlort was kept operational at Carnarvon for the first few missions it was soon taken off the operational list once the FPQ-6 proved its reliability and other acquisition methods also proved sufficient.</td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;"></td><td> </td><td style="background: #eee; font-size: smaller;"></td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;">The SCR radars, developed at the MIT laboratories, were remarkable for MIT’s innovative mechanical solutions to radar operations that are now met by electronic methods in modern radars<span style="color: red; font-weight: bold;">.</span></td><td>+</td><td style="background: #cfc; font-size: smaller;">The SCR radars, developed at the MIT laboratories, were remarkable for MIT’s innovative mechanical solutions to radar operations that are now met by electronic methods in modern radars<span style="color: red; font-weight: bold;">: see [[technical Details]]</span></td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;"></td><td> </td><td style="background: #eee; font-size: smaller;"></td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">----</td><td> </td><td style="background: #eee; font-size: smaller;">----</td></tr>
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Paulhttp://www.carnarvonspace.com/wiki/index.php?title=VERLORT_Radar&diff=3273&oldid=prevPaul at 05:35, 27 February 20082008-02-27T05:35:23Z<p></p>
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<td colspan='2' width='50%' align='center' style="background-color: white;">Revision as of 05:35, 27 February 2008</td>
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<tr><td> </td><td style="background: #eee; font-size: smaller;"></td><td> </td><td style="background: #eee; font-size: smaller;"></td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">The SCR radars, developed at the MIT laboratories, were remarkable for MIT’s innovative mechanical solutions to radar operations that are now met by electronic methods in modern radars.</td><td> </td><td style="background: #eee; font-size: smaller;">The SCR radars, developed at the MIT laboratories, were remarkable for MIT’s innovative mechanical solutions to radar operations that are now met by electronic methods in modern radars.</td></tr>
<tr><td colspan="2"> </td><td>+</td><td style="background: #cfc; font-size: smaller;"></td></tr>
<tr><td colspan="2"> </td><td>+</td><td style="background: #cfc; font-size: smaller;">----</td></tr>
<tr><td colspan="2"> </td><td>+</td><td style="background: #cfc; font-size: smaller;">As a matter of interest, the SCR-584 pedestals and angle-control mechanisms were used by NASA as the basis of many antenna systems; for example, the VHF Acquisition Aid and Telemetry Antennas used for the Mercury, Gemini and Apollo projects.</td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;"></td><td> </td><td style="background: #eee; font-size: smaller;"></td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">----</td><td> </td><td style="background: #eee; font-size: smaller;">----</td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">For an overall technical description of the SCR-584 radar see the '''November & December 1945''' issues of '''‘Electronics’''' magazine at http://www.hamhud.net/darts/scr584.html.</td><td> </td><td style="background: #eee; font-size: smaller;">For an overall technical description of the SCR-584 radar see the '''November & December 1945''' issues of '''‘Electronics’''' magazine at http://www.hamhud.net/darts/scr584.html.</td></tr>
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Paulhttp://www.carnarvonspace.com/wiki/index.php?title=VERLORT_Radar&diff=3272&oldid=prevPaul at 05:30, 27 February 20082008-02-27T05:30:11Z<p></p>
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<td colspan='2' width='50%' align='center' style="background-color: white;">Revision as of 05:30, 27 February 2008</td>
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<tr><td> </td><td style="background: #eee; font-size: smaller;">Although the Verlort was kept operational at Carnarvon for the first few missions it was soon taken off the operational list once the FPQ-6 proved its reliability and other acquisition methods also proved sufficient.</td><td> </td><td style="background: #eee; font-size: smaller;">Although the Verlort was kept operational at Carnarvon for the first few missions it was soon taken off the operational list once the FPQ-6 proved its reliability and other acquisition methods also proved sufficient.</td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;"></td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;">==Some innovative mechanical solutions==</td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;">[[Image:Helical scan.jpg|right|thumbnail|180px|Helical scan mechanism:<BR>''Image – ‘Electronics’; Fig 2, Dec ’45, p.104'']]</td><td colspan="2"> </td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;"></td><td> </td><td style="background: #eee; font-size: smaller;"></td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">The SCR radars, developed at the MIT laboratories, were remarkable for MIT’s innovative mechanical solutions to radar operations that are now met by electronic methods in modern radars.</td><td> </td><td style="background: #eee; font-size: smaller;">The SCR radars, developed at the MIT laboratories, were remarkable for MIT’s innovative mechanical solutions to radar operations that are now met by electronic methods in modern radars.</td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;"></td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;">The Verlort '''Plan Position Indicator''' (PPI) was driven by a '''mechanical''' computer. Once target acquisition occurred, the radar operator needed to keep a ‘hairline’ indicator manually centred on the target’s echo to maintain track.</td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;"></td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;">Even more intriguing were the target acquisition techniques.</td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;"></td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;">For targets where only crude position information was available, a '''helical scan''' was used to acquire the target. The dish was swung in a circle at 6 rpm along as it moved with the reflector tilting to and fro about 4&deg; per dish revolution to create a '''helical spiral''' about 20&deg; wide along the expected track path - see 'Helical scan mechanism' diagram on right.</td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;"></td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;">Where there was more certainty about the target path, a '''nutating scan''' mode was used. The slightly offset dipole feed was rotated rapidly to produce off-axis radiation increasing the effective beam width from 2.5&deg; to about 5.5&deg; . Nutation was switched off when the target was acquired. See the ‘conical scan beam’ diagram below left and the ‘nutating antenna dipole feed’ below right.</td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;"></td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;">[[Image:Conical beam.jpg|left|thumbnail|250px|A conical scan beam:<BR> ''Image – ‘Electronics’; Fig 1, Nov ’45, p.104'']]</td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;"></td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;">[[Image:offset dipole.jpg|right|thumbnail|290px|Nutating antenna dipole feed:<BR>''Image – ‘Electronics’; Fig 5, Dec ’45, p.107'']]</td><td colspan="2"> </td></tr>
<tr><td>-</td><td style="background: #ffa; font-size: smaller;"><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR><BR></td><td colspan="2"> </td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;"></td><td> </td><td style="background: #eee; font-size: smaller;"></td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">----</td><td> </td><td style="background: #eee; font-size: smaller;">----</td></tr>
<tr><td> </td><td style="background: #eee; font-size: smaller;">For an overall technical description of the SCR-584 radar see the '''November & December 1945''' issues of '''‘Electronics’''' magazine at http://www.hamhud.net/darts/scr584.html.</td><td> </td><td style="background: #eee; font-size: smaller;">For an overall technical description of the SCR-584 radar see the '''November & December 1945''' issues of '''‘Electronics’''' magazine at http://www.hamhud.net/darts/scr584.html.</td></tr>
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Paulhttp://www.carnarvonspace.com/wiki/index.php?title=VERLORT_Radar&diff=3269&oldid=prevPaul at 05:24, 27 February 20082008-02-27T05:24:35Z<p></p>
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<tr><td> </td><td style="background: #eee; font-size: smaller;">[[Image:muc-verlort.jpg|right|thumbnail|190px|The VERLORT radar at Muchea:<BR>''Photo - ???'']]</td><td> </td><td style="background: #eee; font-size: smaller;">[[Image:muc-verlort.jpg|right|thumbnail|190px|The VERLORT radar at Muchea:<BR>''Photo - ???'']]</td></tr>
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<tr><td>-</td><td style="background: #ffa; font-size: smaller;">The '''VER'''y '''LO'''ng '''R'''ange '''T'''racking (<span style="color: red; font-weight: bold;">Verlort</span>) S-band radar (2700 t0 2900 MHz) was an extended-range version of the '''SCR-584''' - often credited as ''"the radar that won WW II"''. </td><td>+</td><td style="background: #cfc; font-size: smaller;">The '''VER'''y '''LO'''ng '''R'''ange '''T'''racking (<span style="color: red; font-weight: bold;">VERLORT</span>) S-band radar (2700 t0 2900 MHz) was an extended-range version of the '''SCR-584''' - often credited as ''"<span style="color: red; font-weight: bold;">'''</span>the radar that won WW II<span style="color: red; font-weight: bold;">'''</span>"''. </td></tr>
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<tr><td>-</td><td style="background: #ffa; font-size: smaller;">For space missions, its range was increased from 650 Km to 4000 Km<span style="color: red; font-weight: bold;">; </span>the dish diameter from 1.8 m to 3 m <span style="color: red; font-weight: bold;">and </span>it was given a long name befitting its new space-tracking capabilities. The Red Lake (Woomera) Mercury tracking station used the more accurate AN/FPS-16 radar installed at Woomera for previous space activities.</td><td>+</td><td style="background: #cfc; font-size: smaller;">For space missions, its range was increased from 650 Km to 4000 Km <span style="color: red; font-weight: bold;">and </span>the dish diameter from 1.8 m to 3 m<span style="color: red; font-weight: bold;">; </span>it was given a long name befitting its new space-tracking capabilities. The Red Lake (Woomera) Mercury tracking station used the more accurate AN/FPS-16 radar installed at Woomera for previous space activities.</td></tr>
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<tr><td> </td><td style="background: #eee; font-size: smaller;">[[Image:cro-verlort.jpg|left|thumbnail|180px|The VERLORT radar reinstalled at Carnarvon just beside the AcqAid antennas:<BR>''Photo - Alan Gilham'']]</td><td> </td><td style="background: #eee; font-size: smaller;">[[Image:cro-verlort.jpg|left|thumbnail|180px|The VERLORT radar reinstalled at Carnarvon just beside the AcqAid antennas:<BR>''Photo - Alan Gilham'']]</td></tr>
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Paulhttp://www.carnarvonspace.com/wiki/index.php?title=VERLORT_Radar&diff=3263&oldid=prevPaul: /* Some innovative mechanical solutions */2008-02-27T04:47:39Z<p><span class="autocomment">Some innovative mechanical solutions</span></p>
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<tr><td>-</td><td style="background: #ffa; font-size: smaller;">For <span style="color: red; font-weight: bold;">a detailed </span>technical description of the SCR-584 radar see the '''November & December 1945''' issues of '''‘Electronics’''' magazine at http://www.hamhud.net/darts/scr584.html.</td><td>+</td><td style="background: #cfc; font-size: smaller;">For <span style="color: red; font-weight: bold;">an overall </span>technical description of the SCR-584 radar see the '''November & December 1945''' issues of '''‘Electronics’''' magazine at http://www.hamhud.net/darts/scr584.html.</td></tr>
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Paul