Roland

Presumed custom HF adaptation of the WireGuard VPN protocol. Findings suggest an implementation optimized for consolidated fixed-site networks rather than tactical Mesh environments. disk.yandex.com/d/H6alLjdFmCy0…

Dinner at the harbour in Oreoi

Instead of using it for MeshCom I installed the TinyGS firmware on a Lilygo Loraboard for 433 MHz. With this very simple groundplane antenna I received nearly 1000 packets in 24 hours from satellite' s transmitting around 401 MHz and 435 MHz

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.

@sfx_ewss Thanks!

@DF3LZ 26.341304° 73.012972°

An important #Troposcatter comm node for the IAF Western/South Western/Central Air Commands.

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. i56578-swl.blogspot.com/2026/02/a-142-…

@suyogvyawahare @shortwave78 @MehdiHacks This is a slow FSK not CW

Got following message on ARSI WhatsApp group "CW transmission at nearly 40 dB, repeatedly sending the text: NEVPEBTATN. Does anyone know where this transmission is coming from and who the sender might be?" Any idea about this? @shortwave78 @MehdiHacks

Very nice marine radioroom clock. Download at archive.org/details/marine…

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

just for fun on-air bits: ~66975 (after MS-110A HF modem) payload (msg) bits: 128

Today i finished my work on the new versions of the "Technical Handbook for Radio Monitoring Volume I and II". They shall be available mid January in 2026. Both books have over 40 new pages with lot's of pictures and tables. They can be ordered at frequencymanager.de

@AKAhamradio An ebook will be available. The link will be on the description page of the books at frequencymanager.de

@DF3LZ Will ebooks also be made available in Apple Books or Amazon Kindle?

@e2c_p6n Yes, they are avaílable in the description of the books in the webshop at frequencymanager.de

@DF3LZ Interesting handbooks you have there. Are the table of contents available so we can see the topics covered?

Nice Meteor M2 pass this morning

@neetintel They were transmitting in a specific framing, using KW-46 encryption, which is more frequent than you think. NATO fleet broadcast is 50Bd and that's the real speed of this signal, 75Bd is a wrong/gross measurement

The next picture from METEOR M2-4.

Ok, METEOR M2-3 says a weather to stay inside...