curious callsigns...

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Joined: 2015/12/19 - 11:25
curious callsigns...

I often hear callsigns which I cannot find anywhere... The last two days there are two in Antarctic region:

OW3REV and OQ3SJH. There are much more of those - I think they are MM.

Are they "self-generated" - or does exist a list what they are?

73 de