[ARC5] Fw: Single Transmitter Single Receiver 274-N in P-51-C

[Michael Bittner]

Mike, There are 3 freqs above the range of the BC-1206 which does not 
normally have a directional antenna, so I think the MN-26 is more likely. 
And, you are probably correct on the SCR-522 and that this card was likely 
for a different aircraft.  However, I don't understand how you do homing 
with an SCR-522.  Is there a VHF direction antenna somewhere in this setup, 
on ground or in the aircraft?

Mike, W6MAB


----- Original Message ----- 
From: "Mike Morrow" <kk5f at earthlink.net>
To: <arc5 at mailman.qth.net>
Sent: Thursday, May 03, 2018 14:26
Subject: Re: [ARC5] Fw: Single Transmitter Single Receiver 274-N in P-51-C


> Mike W6MAB writes:
>
>> You can see the frequency card at:
>> http://texasflyinglegends.org/index.php/2017/01/11/winter-update-on-the-p-51c/
>> Looks like all low frequencies for reception and ADF,
>> plus VHF for transmission and Homing.
>>
>> How to you do VHF homing with SCR-274N?
>
> The card is for an aircraft with the four-chznnel VHF SCR-522-A and a 
> beacon band receiver like the BC-1206-series.  Up to four air-to-ground 
> channels are shown for each field, and one or two homing channels from 
> airfield to aircraft.  It seems unlikely that the card shown would have 
> had much applicability to an aircraft with only a single-channel HF 
> SCR-274-N set for communications.  Perhaps the restorers do not have the 
> appropriate original card for the time period depicted by the restoration.
>
> Mike / KK5F


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