[ARC5] BC-221 Testing Results

[Kenneth G. Gordon]

On 23 Nov 2012 at 16:29, J. Forster wrote:

> When checked in the frequency domain, using the FFT on the 'scope, the
> lower band has a lovely comb, extending to well over 3 MHz; the upper band
> is also a comb, but with fewer lines, extending to over 20 MHz.

Good.
 
> If I put the unit in CHECK mode and zero beat against the internal crystal
> at 3000, 6000, 12000 kHz, I get 2.99999 Hz on the counter. IMO that's
> pretty good after nearly 70 years.

I am not one BIT surprised. Both of my -AKs have been very accurate here too.

They are very "un-handy" to use, but the accuracy is certainly nothing be ashamed of.

Ken W7EKB