Quote:
Originally Posted by radiowaves1
What your more than likely hearing is RTTY or, Radio TeleType of the Amateur Radio kind! Nothing ETish here. Its a common and popular mode of communications. The link to the sample you provided sounds like it to me.
CW, RTTY, Data, MCW,
Test, SSB (Phone), Image
144.1 - 148.0 Mhz
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Wasn't thinking "ET-ish"; more like ISS-ish