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Author Topic: JMH2 Japan 7793.1 USB 1000 UTC 26 Mar 2020  (Read 433 times)

Offline ChrisSmolinski

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JMH2 Japan 7793.1 USB 1000 UTC 26 Mar 2020
« on: March 26, 2020, 1202 UTC »
Not the best reception, but there's obviously a fax signal there hiding in the noise.  Now that I know roughly when to listen, I can check each morning and perhaps get better reception when conditions improve.

I used an AirSpyHF+ Discovery and 43mb folded dipole.

Two large images below:



« Last Edit: March 26, 2020, 1205 UTC by ChrisSmolinski »
Chris Smolinski
Westminster, MD
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Offline fpeconsultant

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Re: JMH2 Japan 7793.1 USB 1000 UTC 26 Mar 2020
« Reply #1 on: March 27, 2020, 0141 UTC »
Chris - I've had similar (or maybe an iota better) copy of them here.  A few years back (when propagation was better of course) I often copied them nicely.
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Offline ChrisSmolinski

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Re: JMH2 Japan 7793.1 USB 1000 UTC 26 Mar 2020
« Reply #2 on: March 27, 2020, 1040 UTC »
Receiving JMH2 again at 1030 UTC 27 Mar 2020, slightly better this time, I think I can actually see something in the noise!

Chris Smolinski
Westminster, MD
eQSLs appreciated! csmolinski@blackcatsystems.com
netSDR / AFE822x / AirSpy HF+ / KiwiSDR / 900 ft Horz skyloop / 500 ft NE beverage / 250 ft V Beam / 58 ft T2FD / 120 ft T2FD / 300 ft south beverage / 43m, 20m, 10m  dipoles / Crossed Parallel Loop / Discone in a tree

Offline Josh

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Re: JMH2 Japan 7793.1 USB 1000 UTC 26 Mar 2020
« Reply #3 on: March 28, 2020, 2131 UTC »
This is just the kind of fax traffic needed to determine what dsp noise reduction, notch filtering, as well as overall bandwidth filtering can do to improve production. I expect miracles in the near future, as well as strongest sigs on whatever antenna you have is closest to vertical..
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