[ARC5] Getting ARC5 and SCR-274N Txs on 40 m

[Dennis Monticelli]

One could always put an FT-243 of say 7000, 7025 or 7050 in the octal for
the calibration crystal to use as a reference.  No wiring changes required.

Dennis AE6C

On Wed, Dec 30, 2015 at 8:30 AM, J Mcvey via ARC5 <arc5 at mailman.qth.net>
wrote:

> ...But then you have to put markers on the dial.  Then again I don't
> really trust the dials anyway, I use a small portable frequency counter to
> verify the TX frequency. Mine are pretty close, but how can one know that
> they are on say, 7035 ? It's sort of a best guess scenario without the
> frequency counter, I think that's why they made the receivers so broad.
>
>
> On Tuesday, December 29, 2015 10:59 PM, Brian <
> brianclarke01 at optusnet.com.au> wrote:
>
>
> Hello folks,
> If all you want is to use a non-40 m Command / ARC-5 Tx, eg, a BC-458 or a
> T-21 (5.3 to 7 MHz) on 40 m, you only need to adjust the VFO padder and the
> RF PA padder. No need to replace coils. However, if you plan to move a
> BC-457 or a T-20 (4 to 5.3 MHz) to 40 m, that requires more drastic
> measures, such as a coil change.
> 73 de Brian, VK2GCE.
>
> *On* Wednesday, December 30, 2015 10:52 AM, Wayne said:
>
> <snip>
> Also, for anyone who wants a 40M transmitter, Fair Radio is selling the
> oscillator coil for the 7MHZ transmitters and I suppose it might be
> possible to transplant one into the 5.3-7MHz transmitters, which I plan to
> do.
>
> Happy New Year, Y'all!
>
> Wayne
> WB5WSV
>
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