diario SWL I-56578 Antonio

A few days ago I was casually watching the 4 MHz band when an unusually long STANAG-4538 (3G-HF) transmission on 4561.0 KHz/USB caught my at...

Interesting and unknown (at least for me) FSK transmission in 800Bd/850Hz mode sent to me by my friend cryptomaster . These transmissions ha...

(for background http://i56578-swl.blogspot.com/search/label/4G-ALE ) Very interesting example of an asynchronous three-way Deep WALE handsha...

Fig. 1 - Link-22 transmission Recently my friend ANgazu from  radiofrecuencias.es sent me a great catch of a Link-22 transmission - Figure...

Prompted by some logs posted on the UDXF group, I started monitoring the USB frequency 12354.4 KHz, operated by the Tunisian Navy (Marine Na...

A few days ago my friend linkz sent me an interesting recording of a signal spotted on 11166.0 KHz/USB, in addition to the recording he a...

For a few days I have been monitoring the 20.5 MHz/USB frequency, thanks to the KiwiSDR owned by IZ6BYY [1], recording some transmissions su...