- stiquito.livejournal.com 25711.htmlhttp://www.monitoringtimes.com/MT_Quick_Guide_to_the_Shortwave_Spectrum.pdf.
- twitter.com decodesignals?lang=ig4132 kHz and 4135 kHz - Swiss army with link protected ALE-2G and MIL-110A sending UUencoded and IDEA encrypted HF mails using FED-STD-1052 protocol.