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49,00 €

Technical Handbook for Radio Monitoring HF Volume I – Latest Edition
49,00 €

Technical Handbook for Radio Monitoring HF Volume II – Latest Edition
39,00 €

Frequency Handbook for Radio Monitoring HF – Latest Edition

New Edition 2024
49,00 €

Technical Handbook for Satellite Monitoring – Latest Edition
49,00 €

Signal Analysis for Radio Monitoring – Latest Edition
49,00 €

Technical Handbook for Radio Monitoring VHF/UHF – Latest Edition

New Edition 2022

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Technical Handbook for Radio Monitoring HF Bundle
259,00 €

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Code 300-32 for Windows Extended
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Code 300-32 for Windows Standard
29,00 €

Update Frequency Manager 7.0
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Userlist for PERSEUS SDR

New Edition 2024

CD ROM Sound Examples

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Sound Examples “Technical Handbook” for Radio Monitoring HF – Latest Edition

New Edition 2022

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Signals, signals and signals

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Antonio (Tony) I56578 SWL 🇮🇹 @i56578_swl ·

18 Feb

Russian T-219 "Yachta" analog voice scrambler characterized by an FSK sync signal transmitted at a rate of 100 bps and 150 Hz shift. After demodulation, the sync sequence is an M-sequence based on the polynomial x^52+x^49+1.
https://i56578-swl.blogspot.com/2025/02/t-219-yachta-analog-voice-scrambler.html

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Roland @df3lz ·

13 Feb

Today i added a soft startup to my FL2100Z made by Anton #F1BXL

2

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Roland @df3lz ·

12 Feb

Haven't heard the Russian BRAS navigation system for a long time. Now all frequencies are back. Thanks to #Trond_Jacobsen for the input.

2

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Roland @df3lz ·

12 Feb

Finally i managed to receive the lander #Blue_Ghost in S-band. The maximum SNR is 24 dB. Can't detect the sidenbands yet. The signal is coming in azimuth -8° and in elevation -12° from the moon position. Thanks to #DF2MZ for information of the position.

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Frequency Handbook for Radio Monitoring HF Edition 2024
Frequency Handbook for Radio Monitoring HF Edition 2021
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