Well 5 cycles per second is more than accurate enough. That translates to a
150 Hz error at 30 MHz, definitely negligible for the uses of all these gear.
There was no official Time Nuts group at the time, although many of us had the
spirit. Yet the capability of the BC-221 far exceeded its specification if you
could receive WWV.
I noted immediately that zero beat of WWV at 5 MHz was not as precise as at 15
MHz. In those days there was even a 30 MHz WWV but it got shut down a long
time ago. And there were CHU and JJY.
Bob
On Sunday, February 12, 2017 4:02 PM, Dan Rae <[email protected]> wrote:
To put BC-221 things in perspective, the 1 Mc/s reference crystal was
adjusted, according to the manual, to within 5 c/s...
Things have come a ways since!
Dan
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