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Monthly Archives: May 2019

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10 May 2019
Technical Handbook for Satellite Monitoring Edition 2019 by Roland

We will present the new edition on the HAM RADIO 2019 in Friedrichshafen. Visit us on our booth in A1-504.

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Signals, signals and signals

DF3LZ
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sv2hwm Merkouris SV2HWM @sv2hwm ·
5 May

As 🛰️ArcticSat-1 is currently xmitting at 19200 bd, I thought it might be possible to trick the 9k6 GMSK USP SoundModem into demodulating these 19k2 packets, by adjusting the ppm value in the RX Corr field. Since 9k6 is half of 19k2, the required ppm value is -500000. It worked!

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ibelings Pieter Ibelings @ibelings ·
23 Apr

Quick look at SpectraSat with a NetSDR. All upcoming passes are shown on one timeline. Click the one you want and Doppler corrections stream into SpectraFlux to keep the IQ centered on the bird. No chasing the signal with your mouse on the waterfall.

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ibelings Pieter Ibelings @ibelings ·
24 Apr

Turning a $3 LoRa chip into a GPS-locked coherent radar. Lots of possibilities at HF,VHF,UHF and beyond. https://github.com/ibelinp/SX1262_CHIRP

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rtlsdrblog rtl-sdr.com @rtlsdrblog ·
22 Apr

Hacking a Secondhand Marine Satellite Dish to Track Satellites with Gpredict https://www.rtl-sdr.com/hacking-a-secondhand-marine-satellite-dish-to-track-satellites-with-gpredict/

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  • New “Technical Handbook for Radio Monitoring HF Edition 2026” is ready
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  • Frequency Handbook for Radio Monitoring HF Edition 2024
  • Frequency Handbook for Radio Monitoring HF Edition 2021
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