[Milsurplus] LF in a B-17?

Bob Camp ham at cq.nu
Fri Aug 27 13:06:08 EDT 2004


Hi

Oddly enough I also used a BC-453 to copy CW on the same bands. I 
suspect that more than a few of them were used on B-17's for the same 
purpose. The one I had came by way of the RCAF and Fair radio. Darn 
near new in box condition.

Back then I found it odd that there was no matching ARC-5 series 
transmitter for the same band. That situation makes a bit more sense 
now.

Sure would be nice to still be able to pick up new BC-453's for $20 and 
the tuning knob for another $3. Time marches on ...

	Take Care!

		Bob Camp
		KB8TQ





On Aug 27, 2004, at 11:04 AM, Mike Morrow wrote:

> Bob wrote:
>
>> I can certainly remember maritime CW in the same band well
>> into the 1960's...
>
> And it was there well beyond that.  In the mid-1960s I used a BC-453 
> to copy
> MF maritime CW to improve my Morse receive skills (maritime CW being 
> much
> more interesting than ham CW), but maritime Morse in the 420 to 520 kc 
> range
> was still very busy when I got my Second Class Radiotelegraph license 
> in
> 1981.  The US Coast Guard didn't drop 500 kc guard until 1995, and the 
> last
> regular US coastal station Morse operation didn't cease until July, 
> 1999.  I
> miss it.
>
> I wonder when, in the US:
>
> (1)  The last aviation LF/MF directional (A-N) beacon shut down, and
> (2)  The last LF (278 kc) control tower-to-aircraft operation ceased, 
> and
> (3)  The last 3105 / 3023.5 kc aircraft-to-control tower operation 
> ceased.
>
> I have somewhere an old copy of FCC aviation regs that, IIRC, makes it
> appear that 278 / 3023.5 kc ops may have continued in isolated 
> instances up
> into the very early 1960s.   I'd have loved to listen at night to 3105 
> /
> 3023.5 kc 50 to 60 years ago.
>
> 73,
> Mike / KK5F
>
>
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