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#1
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Last night, 28 Mar. 0350z to signoff at 0400z Radio Voice of
Vietnam, s3r3 between heavy QRMN on NC125 with 156 ft off center feed antenna in upstate New York. Male and female voices talking (Vietnamese?) way down in noise until signoff in English. Frequency slighly down band from 2.400...estimate 2385. Does this correlate to any published schedule and frequency. If so was it direct from Hanoi or a relay ? |
#2
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![]() William Mutch wrote: Last night, 28 Mar. 0350z to signoff at 0400z Radio Voice of Vietnam, s3r3 between heavy QRMN on NC125 with 156 ft off center feed antenna in upstate New York. Male and female voices talking (Vietnamese?) way down in noise until signoff in English. Frequency slighly down band from 2.400...estimate 2385. Does this correlate to any published schedule and frequency. If so was it direct from Hanoi or a relay ? I'd say you have an image problem with your receiver. What are you using? dxAce Michigan USA |
#3
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#4
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"William Mutch" wrote in message
2385+455 = 2840...probably not an image. Image would be 2385+910 = 3295 Tom |
#6
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![]() "William Mutch" wrote Propagation on the 90 meter band was among the best I've ever heard last night, so I went down to 120 meters where I dont usually hear anything. From upstate New York with a 156' antenna, you don't copy anything in the marine band from 2182 KHz on up? They are fairly active along the entire Eastern seaboard from the Canadian Maritimes to San Juan, Puerto Rico. I've worked a SAR case 1600 miles out on the Atlantic on half the antenna you have. Try: Coast Transmit Ship Transmit 2514 2118 (Canada) 2582 2206 (Canada) 2049 (Bermuda) And Simplex: 2182, 2670 (US Coast Guard) 2598, 2749 (Canadian Coast Guard) Best regards, Jack Painter Virginia Beach, Virginia |
#7
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#8
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![]() "William Mutch" wrote I listen a lot to the 2 mhz marine traffic as I'm something of a USCG fan as a result of being the originating station of a mayday on 2182 in Cheasapeake Bay in 1977. Coast Gaurd Radio Annapolis and a crash boat crew out of Easton MD busted butt to help me get medical evac of a man overboard. Marine band traffic can be really interesting. Good to hear that William. 2182 KHz is still used a lot, in spite of the fact that the U.S. has never declared a Sea Area A-2 that would mandate it's usage. The majority of coastal-Atlantic Mayday traffic is from fishing vessels in New England waters. The stations listed below either make regular Marine Safety Broadcasts or come up on 2182 KHz for SAR cases, or both: UNITED STATES COAST GUARD USCG Group Portland ME USCG Group Southwest Harbor ME USCG Group Woods Hole MA USCG Group Moriches NY USCG Group Long Island NY USCG Activities New York NY USCG Group Atlantic City NJ USCG Activities Baltimore MD USCG Group Eastern Shore VA USCG Group Hampton Roads VA USCG Aux Oceana Radio Va Beach VA USCG CAMSLANT NMN / F / G / A USCG Group Cape Hatteras NC USCG Group Ft Macon NC USCG Group Charleston SC USCG Group Mayport FL USCG Group St Petersburg FL USCG Group Mobile AL USCG Group New Orleans LA USCG Group Galveston TX USCG Group San Juan PR Bermuda Harbor Radio ZBM CANADIAN COAST GUARD Labrador Coast Guard Radio Halifax Coast Guard Radio Fundy Coast Guard Radio St John Coast Guard Radio St Anthony Coast Guard Radio Sydney Coast Guard Radio Placentia Coast Guard Radio Quebec Coast Guard Radio Port Aux Basques CG Radio Riviere-au-Renard CG Radio Best regards, Jack Painter Virginia Beach, VA |
#9
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In article ,
dxAce wrote: Telamon wrote: In article , dxAce wrote: Telamon wrote: In article . edu, William Mutch wrote: In article , says... William Mutch wrote: Last night, 28 Mar. 0350z to signoff at 0400z Radio Voice of Vietnam, s3r3 between heavy QRMN on NC125 with 156 ft off center feed antenna in upstate New York. Male and female voices talking (Vietnamese?) way down in noise until signoff in English. Frequency slighly down band from 2.400...estimate 2385. Does this correlate to any published schedule and frequency. If so was it direct from Hanoi or a relay ? I'd say you have an image problem with your receiver. What are you using? Hollow state boatanchor National NC-125, recently realined with HP-8646B sig gen. 2385+455 = 2840...probably not an image. 2385/2 = 1193... call it 1190...possible 2nd harmonic of domestic US Vietnamese station, but Google seach on domestics didn't find anything near that, and the signoff was definately RVoVietnam. QRMN from forced air, gas fired home heating ignition made listening really tough, but the signal had some QSB and sounded *really* far off and multibounce. Propagation on the 90 meter band was among the best I've ever heard last night, so I went down to 120 meters where I dont usually hear anything. I was unable to Google any time/freq listings for RVoVietnam...just propaganda about programming. If I'd been using the Sat800 I'd at least know the exact freq, but I was just band cruising with the bedside NC-125. http://www.vov.org.vn/docs1/english/index.html VOV 2: Economic, Social, Cultural and Education programmes over medium and short waves on frequencies of (549, 558, 702, 729, 738, 783 and 1089)kHz and (9875, 5925, 6020)kHz with a daily airtime of 18 hours. Maybe a harmonic from 1089 KHz or an image in your receiver from it? My guess is that somehow the receiver was picking up the relay out of Sackville... They still using 6175? A harmonic from 1089...? How would it propagate? At least so as to be audible where he heard it, frequency wise. Just grasping at straws. My best shot is the transmitter had a 2X or 3X spur. The web page lists 6165 on VOV4. They broadcast on a number of medium wave and short wave frequencies. If this is at the same transmitter site maybe they have a mixing problem. Yes, I understand that... but the question would still be then how would it propagate if the mixing product was from a transmitter site in Vietnam? At that time there is no darkness path from Vietnam to his receiving site to facilitate reception on that frequency. Well that settles it then. I'm still betting on Sackville... and a receiver fault. I didn't know that they relayed VOV but if they do then it would be a much more reasonable explanation. -- Telamon Ventura, California |
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