You can do that much today and carry it in a shirt pocket.
31hz channel width permits nearly 1000 qso's in a typical audio channel.
The narrow bandwidth helps to make contacts around the world with less=20
than 1 watt common.


On 3/16/2015 10:57 PM, Harold Hallikainen wrote:
> Thanks! I ran RTTY using a Viking Ranger transmitter and a National NC-30=
0
> receiver. A LONG time ago!

--=20
John Ferrell W8CCW
    Julian NC 27283
  It is better to walk alone,
than with a crowd going the wrong direction.
                   --Diane Grant


--=20
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