[ARC5] AM BCB Frequencies

[Dave Sublette]

I think they use 9 KHz in the Pacific and Far East.

Dave, K4TO

On Tue, Feb 15, 2022 at 10:57 AM K2GKK D C_Mac_ Macdonald <k2gkk at hotmail.com>
wrote:

> Do European BCB stations use 11 kHz separations?
> I seem to remember that from my 4 years in Germany.
>
> 73 de Mac, K2GKK/5
> Licensed 30 Nov 1953
> Oklahoma City, OK
> USAF (Retired) 61-81
> FAA (Retired) 94-10
>
>
> ------------------------------
> *From:* arc5-bounces at mailman.qth.net <arc5-bounces at mailman.qth.net> on
> behalf of releazer at earthlink.net <releazer at earthlink.net>
> *Sent:* Tuesday, February 15, 2022 07:13
> *To:* arc5 at ix.netcom.com <arc5 at ix.netcom.com>; arc5 at mailman.qth.net <
> arc5 at mailman.qth.net>
> *Subject:* [ARC5] AM BCB Frequencies
>
> "In April 1925, the band was further expanded to 550-1500 khz, providing
> 15 additional Class A frequencies. In June 1926, however, the Attorney
> General issued an opinion that the Commerce Department, under the 1912 act,
> had no power to regulate frequencies of stations, and a number of stations
> moved to frequencies which they wished to use, regardless of interference
> to other stations, even taking split channels (frequencies that were not
> exact multiples of 10 khz). In 1927 the Congress enacted a new Radio Act,
> creating the Federal Radio Commission, and gave it power to make frequency
> assignments."
>
> So the 10 KHZ channel spacing was established Very Early, first by policy
> and then by Law.  Modern digital AM BCB receivers cannot even tune tighter
> than 10 KHZ.
>
> Wayne
> WB5WSV
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