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4'/22kg Radar Antenna on Sea Ray 315 Sundancer Arch?
In article ,
Larry wrote: Bruce in Alaska wrote in news:bruceg- : Bruce in alaska a Longtime Marine RadioMan, but now just an Old Fart...... - Bruce's radar still operates on a bedspring antenna on VHF....(c; Now THAT's OLD! Larry I actually DID work on one of those VHF Radars, as very young tech. It was at a Military Museum, and I replaced the Dynamotor that suppiled the HV for the Transmitter. I got the Dynamotor from a unit that was "Scrapped in Place" half way up the Mountain at Alitak, Alaska on the southern tip of Kodiak Island. It was installed during WWII, to do Sea Search for the Japanese Navy approching Kodiak Island. I was able to lug the Dynamotor, down off the mountain, on one of my trips to the top, to service a Remote Base Marine VHF site I had installed at the summit. It is amazing how far 25 Watts of VHF will go when the Antenna is at 3500 Ft. That Site was designed to work a Tropo Path, 235 Miles long, to an associated Salmon Processor at Chignik, Alaska. Really worked good most of the summer, untill a weather front would come thru and dissrupt the Temprature Inversion Layer between the two locations. Then it would go out, and it took a couple of days, to rebuild the Inversion Layer, before the path would return. Now days, it is all done by SatPhones, and Cellular. Oh well, MF/HF is just about DEAD, as well, in the Maritime Community. Good thing I am reTIRED..... Bruce in alaska -- add a 2 before @ |
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