[MRCG] HF Ground-to-air comms

[amillertkx--- via MRCG]

Now were cookin! 

Sent from my 1944 Westinghouse TBK


> On Sep 14, 2014, at 12:55 PM, <boatanchor at martasystems.com> wrote:
> 
> Have airplanes. Who's got a radio ?
> jc
> 
> 
> -----Original Message----- From: amillertkx--- via MRCG
> Sent: Sunday, September 14, 2014 00:44
> To: Tim
> Cc: West Coast Military Radio Collectors Group
> Subject: Re: [MRCG] HF Ground-to-air comms
> 
> A better receiver and antenna directly impacts the ability to hear a weak signal so I think that does factor in. It has been my experience that with these WW-2 radio what if/ would it work questions are best answered by actual field tests. Like when OPE Tom and I tested BC-222 to BC-222 coms and also operational tests with TBY's and MAB's. So.....who's got a plane with HF AM capabilities? Let's try it.
> 
> Sent from my 1944 Westinghouse TBK
> 
> 
>> On Sep 13, 2014, at 5:07 PM, Tim <timsamm at gmail.com> wrote:
>> 
>> Hi Andy!
>> Well I think the determining factor in ground-to-air is not the aircraft transmitter power or the efficiency of its antenna system - the BC-611 still radiates only a very small fraction of that 360 mW transmitter. Maybe a few milliwatts..
>> A center loaded 8 foot whip with a high Q coil, on a large vehicle with reasonable ground coupling is only a few percent at best on 80 meters. The BC-611 antenna system is probably much less than that.  A '611 on the ground could certainly hear almost anything nearby - but I think that's only half the problem in a 2-way circuit.  No?
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