HFU HF Underground
General Category => Huh? => Topic started by: Josh on March 26, 2019, 1958 UTC
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The famous HAARP (High Frequency Active Auroral Research Program) antenna array will be transmitting again from March 25 - March 28, 2019. HAARP is an antenna array which is used to perform experiments on the Earth's ionosphere and thermosphere by transmitting HF RF energy into it. With an HF capable receiver like the RTL-SDR V3 it is often possible to receive these transmissions from some distance away. As HAARP only rarely transmits, it is an interesting signal to catch when it is transmitting.
https://www.rtl-sdr.com/ghosts-in-the-air-glow-haarp-art-project-transmitting-until-march-28/
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Schedule that was tweeted by Amanda Dawn Christie a couple of hours ago (times in UTC, frequencies in MHz):
02:00:00 - 02:11:00: 3.20
02:11:30 - 02:16:30: 3.35 & 2.80
02:17:00 - 02:22:00: 3.35 & 2.80
02:22:30 - 02:32:30: 3.35 & 2.80
02:33:00 - 02:39:00: 4.40 & 4.50
02:39:30 - 02:45:30: 4.40 & 4.50
02:46:00 - 02:56:00: 5.10 & 6.90
02:56:30 - 02:59:30: 3.20
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4500 was weak here with SSTV, but 6900 was around S9+10-20. I couldn't hear the 2- & 3-MHz signals
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0246- 0256 UTC: 6900 kHz was the best frequency for me in WNY, SIO 333, audio was a bit muffled.
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Any sudden urges to buy Ovaltine or a 25 year supply of survival food?
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Any sudden urges to buy Ovaltine or a 25 year supply of survival food?
As a matter of fact & now that you've mentioned it......