[Milsurplus] 3105 KC and 6210 KC Today

[BSugarberg]

Hello Mike,

3105 kc is assigned as Aeronautical Mobile.

6210 kc is assigned as Maritime Mobile.

73, Bruce WA8TNC
==================
Mike Morrow wrote:

> In the early 1950s the standard civil air-to-tower frequency changed
> to 3023.5 kHz.  That frequency today is officially assigned for search
> and rescue use.  I don't know why 3105 was changed, but 6210 kHz must have
> been lost at the same time, since most of the simple transmitters just
> doubled a 3105 crystal to get the 6210 frequency.  I don't know what
> 3105 kHz is assigned for today.
> 
> Mike / KK5F