Loggings > North American Shortwave Pirate

Sternradio 6963.7 AM 0154 UTC 24 MAR 2024

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MDK2:
About SIO 222 here. Thanks for the show.

elburndx:
S9+38 signal!

0236 Psychoburbia - Dance Or Die
0239 This Much 2.0 - Battery

ChrisLobdell:
0305 Talk, phases being repeated S9 *

Charlie_Dont_Surf:

--- Quote from: tsalisbury0 on March 24, 2024, 0225 UTC ---Just saw them go from DSB-AM to USB-AM to LSB-AM then back to DSB-AM

--- End quote ---

Yeah, I noticed this a few times too. I thought there might be some sort of weird selective fading or cancellation of one sideband going on in the ionosphere so I looked at other SDRs but saw the same thing happening there too, so it must have been coming from the transmitter.

Anyway, this just means that (I assume) they have independent control of the individual sidebands, so the transmitted signal is a summation of a carrier + LSB + USB. Which can be handy to have, I suppose. Unless you have a spectrum display you would never know by just by listening to the audio.

Charlie_Dont_Surf:

--- Quote from: osiris on March 24, 2024, 0214 UTC ---Not going to argue over a few hz.  :P



--- End quote ---

I got the frequency for the thread title from a GPS-locked kiwi SDR. (I didn't use the readout on my portable, which didn't quite agree). I then checked that kiwi against another GPS-locked kiwi and the two kiwis were within 1 Hz, which is expected. You might want to check your RX against CHU.

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