[ARC5] Suspected A.R.C. antenna identification request

zakariya.abu at yandex.com zakariya.abu at yandex.com
Tue Jun 18 11:57:02 EDT 2024


Craig,

Thank you for the reply. Meanwhile I made a little research and I 
believe that the L-shaped antenna was the Collins 37R-1 for the VHF air 
band. But, of course, this assumption needs verification.

On the early U-2 the L-shaped antenna was used with the A.R.C. Type 12 
VHF COM radio.

73,

Jan SP5XZG

W dniu 18.06.2024 o 17:16, Craig Cantwell via ARC5 pisze:
> Jan: I've seen that antenna on various aircraft over the years. I think 
> it was a Collins or Bendix VHF for low speed...probably under 400 knot 
> aircraft. It was all metal.  It's possible it was for VHF-Lo band. If no 
> one can id it fairly soon, I can pose the question to our support guys 
> at work and see if they can access the archives on the prototype.
> 
> Craig
> KF5JOT
> 
> On Sunday, June 9, 2024 at 04:58:21 PM CDT, <zakariya.abu at yandex.com> 
> wrote:
> 
> 
> Colleagues,
> 
> I'd like to ask for help to identify the type of the L-shaped antenna
> used on the early U-2 airplanes. I presume that it was the A.R.C. Type
> A-15 VHF antenna inside an aerodynamic fairing since the A.R.C. Type 12
> VHF COM is known to have been used on such birds. On the prototype
> aircraft, the L-shaped antenna was mounted just under the cockpit, while
> the later production aircraft had the antenna moved toward the center
> part of the fuselage. Later, the A.R.C. Type 12 was removed from the
> U-2s and replaced with the AN/ARC-34 UHF.
> 
> 73,
> 
> Jan SP5XZG
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