[ARC5] Command set installation

[Mark K3MSB]

Mike posted his response as I was writing this,  but here it is anyway…..

B-29 Airplane Commander Training Manual for the Superfortress
Revised printing 1 Feb 1945
Page 132.
Radio Equipment.
Heading 2 Command Radio Set.

"The command radio consists of two transmitters, three receivers, and
auxiliary equipment.

The equipment is short range, and serves primarily for plane to plane
communications of the following channels: Transmitters - 4000 to 5300 Kc
and 7000 to 9100 Kc.

Receivers - 190 to 500 Kc, 3000 to 6000 Kc, and 6000 to 9100 Kc.   The
command set antenna consists of half of the wire extending from the lead-in
insulator at the radio operator's station to the top of the vertical
stabilizer."


It is more than likely that VHF communications were used more and more as
the war progressed, but I don’t know if VHF sets replaced the SCR-274N sets
in the B-29 or they were in addition to them.    I do have references to
VHF communications being used on the Schweinfurt–Regensburg mission in
August 1943 and I believe there were references to command sets in the
mix.  I don’t remember if it was a mix on the same aircraft or a mix
between groups (my reference books aren’t here at the office).

73 Mark K3MSB




On Jun 26, 2017 12:26 AM, "Glenn Little WB4UIV" <glennmaillist at bellsouth.net>
wrote:

> I was on FIFI a B-29 this weekend.
> The three command set receivers all had the same antenna jumpered between
> sets and the two command set transmitters had the antenna terminals
> jumpered together.
>
> Is this the way the radios would have been configured when the aircraft
> was in use in the War?
>
> The three receivers were above the ART-13 and had remotes just a short
> distance away above the receivers and to the right of the receivers above
> the BC-348-M.
>
> The aircraft call is KM4RC.
>
> 73
> Glenn
> WB4UIV
>
> --
> -----------------------------------------------------------------------
> Glenn Little                ARRL Technical Specialist   QCWA  LM 28417
> Amateur Callsign:  WB4UIV            wb4uiv at arrl.net    AMSAT LM 2178
> QTH:  Goose Creek, SC USA (EM92xx)  USSVI LM   NRA LM   SBE ARRL TAPR
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> of the Amateur that holds the license"
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