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#1
August 10th 08, 03:47 AM
posted to rec.radio.shortwave
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4775 KHz
Can anyone ID this sweeper?
Dale |
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#2
August 10th 08, 01:14 PM
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4775 KHz
"Dale Parfitt" wrote in message news:QEsnk.645$xv.612@trnddc02... Can anyone ID this sweeper? CODAR. http://www.codaros.com/ Not sure which one. The ones in NC and NJ use 4525-4550 kHz (NC sweeps up in freq and NJ down in freq). I have hear ones at 4 & 5 MHz in the following approximate frequency ranges: 4525-4550 (NC and NJ per above) 4735-4765 4775-4800 4787.5-4812.5 4705-4835 4877.5-4902.5 4912.5-4937.5 (I think this is W coast of FL but cannot locate my notes at present.) 4965-4995 5222.5-5247.5 |
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#3
August 10th 08, 02:12 PM
posted to rec.radio.shortwave
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4775 KHz
"David L. Wilson" wrote in message news:6ZAnk.562$ZV1.124@trnddc07... "Dale Parfitt" wrote in message news:QEsnk.645$xv.612@trnddc02... Can anyone ID this sweeper? CODAR. http://www.codaros.com/ Not sure which one. The ones in NC and NJ use 4525-4550 kHz (NC sweeps up in freq and NJ down in freq). I should probably add that in each case above, there is more that one site transmitting in each state (more that one site sweeps up in NC and more than one site sweeps down in NJ). The same is true for the Florida system. This is common for CODAR. Thus a "sweeper" is usually more than one site. |
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#4
August 10th 08, 08:05 PM
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4775 KHz
Dale Parfitt wrote: Can anyone ID this sweeper? It seems to be that damn CODAR as others have suggested. I can hear it here weakly even in the middle of the afternoon. It sure does make a mess out of what is left of the 60 meter tropical band. dxAce Michigan USA |
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#5
August 11th 08, 12:27 AM
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4775 KHz
"dxAce" wrote in message ... Dale Parfitt wrote: Can anyone ID this sweeper? It seems to be that damn CODAR as others have suggested. I can hear it here weakly even in the middle of the afternoon. It sure does make a mess out of what is left of the 60 meter tropical band. dxAce Michigan USA Thank you all for the answer. Dale W4OP |
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#6
August 12th 08, 04:25 PM
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4775 KHz
Dale,
Check out the waterfall display screenshot of multiple CODAR signals on my blog entry he http://perseus-sdr.blogspot.com/2008...f-science.html It's sad to see that most of the tropical band signals heard from the West Coast USA are CODAR utes much of the time! 73, Guy Atkins Puyallup, WA www.perseus-sdr.blogspot.com |
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