HFU HF Underground
Loggings => VHF/UHF Logs, including satellites and radiosondes => Topic started by: Dr. Amp on December 07, 2013, 2309 UTC
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Seems like every time I'm receiving NOAA-15 lately, about halfway through the pass the visible sensor will change gain (or something), going from a normal image to either almost all black or almost all white. The infrared image is unaffected, and NOAA-18 and NOAA-19 don't behave like this. I assumed that something was broken on the satellite, but the POES status page doesn't say anything about it. What's going on?
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Pope Jim-
What is your 137mhz setup rcvr/ant/decoder etc?
thanks, Eric
(I use to run the poes-wx apt decoder here..but its been a year now)
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Homemade QFH antenna, RTL dongle, SDR#, WXtoIMG.
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After much searching (no thanks to Yahoo's USELESS new forum system), I found the answer on the WXSat mailing list. Apparently, as the satellite crosses from day to night it switches the visual channel to a near-infrared channel.