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Books

49,00 €

Technical Handbook for Radio Monitoring HF Volume I – Latest Edition

New Edition 2026
49,00 €

Technical Handbook for Radio Monitoring HF Volume II – Latest Edition

New Edition 2026
39,00 €

Frequency Handbook for Radio Monitoring HF – Latest Edition

New Edition 2025
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

Book Bundles

89,00 €

Technical Handbook for Radio Monitoring HF Bundle

New Edition 2026
259,00 €

All 6 Books Bundle
179,00 €

Any 4 Book Bundle
89,00 €

Any 2 Book Bundle

Software

8.925,00 €

Code 300-32 for Windows Extended
5.355,00 €

Code 300-32 for Windows Standard
29,00 €

Update Frequency Manager 7.0

New Edition 2026
29,00 €

Userlist for PERSEUS SDR

New Edition 2025

CD ROM Sound Examples

29,00 €

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

New Edition 2025

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Signals, signals and signals

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RossRadio @cqcqcqdx ·

1 Mar

The Super Dual Auroral Radar Network (SuperDARN) antennas located at the Geographic South Pole in Antarctica. SuperDARN is an international radar network consisting of 32 installations used to study the Earth's upper atmosphere and ionosphere.

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Retweet on Twitter Roland Retweeted

Antonio (Tony) I56578 SWL 🇮🇹 @i56578_swl ·

24 Feb

Unid 142-byte Data Link protocol with fragmentation support. Data stream is structured into blocks and logical fragments which are one-to-one mapped to physical bursts. The process is orchestrated by the Block ID ➔ Fragment ID ➔ Packet Index hierarchy.
https://i56578-swl.blogspot.com/2026/02/a-142-byte-data-link-protocol-with.html

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Roland @df3lz ·

22 Feb

Very nice marine radioroom clock. Download at https://archive.org/details/marine-radioroom-clocks/

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Roland @df3lz ·

20 Jan

The "Technical Handbook for Radio Monitoring HF Volume I and Volume II" are now available at http://www.frequencymanager.de . Both books do have more then 40 new pages with lots of new modes active today.

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