[ARC5] BC-453 dial calibration (continued)

David Stinson arc5 at ix.netcom.com
Sun Jun 4 06:35:41 EDT 2017


----- Original Message ----- 
Subject: [ARC5] BC-453 dial calibration (continued)


>I received two plug-in coil sets from David Stinson (thanks 
>Dave) and tried them out using NDB MW (Moses Lake, WA) about 100 
>miles west of Spokane at 408 kc. The results:
>   Original coils - 413 (dial reading)
>   Coil set one   - 413 (same reading)
>   Coil set two   - 409 (very close to the 408)

That's really interesting, since both the coil sets
I sent have the same part number.  That the original
and Set One give the same error while Set Two
results in near-correct tuning calibration is, IMHO,
unlikely to be coincidence.  The coil set with MFP
is probably from a later-production set.  One of these
days, if  The Almighty isn't tired of my foolishness by
then, I'll do some "coil swapping" and see if I can find
an oddity like this.
73 Dave S.



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