[Milsurplus] re: vhf or hf in aircraft

[Telegrapher@QWEST.net]

I think thats about what the subject matter was.  At any rate i was
browsing thru some of my AAF manuals this am and as i don't remember if
it was or to what extent the subject was covered, some facts from the
book.  Whether or not they were followed is another story.

My supplement for identifying stations throughout Alaska showed the
highest HF freq to be 6210.  VHF wise, 126.18 was the only frequency
listed and that was not at all stations   Most only "guarded" that
channel.  Fairbanks and Nome both even  monitored 500kc.  278 and 396
were the common LF channels for the tower to communicate on.  This was
September 1944.

Along another line of what was in particular aircraft, my P-38-L manual
of  January 1945, TO AN 01-75FF-2 Section IV, Para. 21;

Radio Equipment
a. General
 (1) EQUIPMENT.- The radio equipment consists of an SCR-522-a Command
set with a BC-1206-( ) beacon receiver and an SCR-695-A identification
set..  AS an alternate for the SCR-522-A and BC-1206-( ) radios, an
SCR-274-N may be installed.
  In addition to the above, ferry equipment includes the MN-26- ( )
radio compass.

(2) GROUP "A" and "B" PARTS.- The requirements for the installatiion and
stowage of several types of radios at the same time involves a large
number of government-furnished and contractor furnished parts.  These
parts are divided into to groups, "A" and "B", to simplify amd clarify
instructions concerning the disposition of the parts whenever the radios
must be interchanged.

  Group "A" parts consist of assemblies of government-furnished
equipment with contractor parts and all other contractor-furnished
parts.  Group "B" parts consist of all government-furnished equipment
not required as part of a contractor-fabricated assembly.

  Group "A" and "B"  parts are installed, and the Group "A" parts of the
alternate radio are stowed in the airplane as loose equipment.

As an example, all the plugs, jacks and adapters, headphones, cords and
the AN-104A mast were considered Group "A".  Radios, racks, control
boxs, mounts, modulator etc were in Group "B".

This shed any light on anything or is it just drivel (dribble)?

Larry
W0OGH