[Milsurplus] Companion Receiver for Bendix TA-12C

[J. Forster]

Hi,

Jack sent me part of the MN-26, so I think I'm set for the moment.

What I'm trying to do is figure out a good antenna for WWVB at 60 kHz,
while rejecting MSF in the UK, also on 60 kHz. I'm hoping to be able to do
it with sense and loop antennas and possibly some kind of active nulling
circuit.

Since LORAN-C went dark, WWVB and GPS are the only alternatives for
standards of time interval. GPS has problems for me.

Best,

-John

===============


> So does the BC-433, SCR 269, which has a sense and loop antenna and
> automatically drives the I-81 and I-82 indicators. I do have the SCR-269
> manual if that would help. For how it is done in a manual system, look at
> the DU-1 loop antenna description.
>
> John  WA4WDL
>
> --------------------------------------------------
> From: "J. Forster" <jfor at quikus.com>
> Sent: Monday, June 18, 2012 3:20 PM
> To: "Jack Antonio" <scr287 at att.net>
> Cc: <milsurplus at mailman.qth.net>
> Subject: Re: [Milsurplus] Companion Receiver for Bendix TA-12C
>
>> Yes. But that is only because it has both a sense and a loop antenna.
>> That's why I'm looking for the prints to see how it was done.
>>
>> I'm certain the RA-10 uses either the sense (omnidirectional) OR the
>> loop...  not both at the same time.
>>
>> I think the MN-26, ARN-6, ARN-7, and R.1155 combine the sense and loop
>> antenna signals to eliminate the 180 degree ambiguity of just a loop.
>>
>> -John
>>
>> ================
>>
>>
>>
>>> The MN-26 has one feature not provided on the loop
>>> equipped RA-10 receivers.  That is the ability
>>> to drive a "Left-Right" course indicator.
>>>
>>> Jack Antonio WA7DIA/4
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>>
>>
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>
>