[ARC5] AM BCB Frequencies

[spr at earthlink.net]

9 KHz, actually.
 
/scott robinson
-----Original Message-----
From: K2GKK D C_Mac_ Macdonald 
Sent: Feb 15, 2022 7:57 AM
To: releazer at earthlink.net , ARC-5 Mail List 
Subject: Re: [ARC5] AM BCB Frequencies
 
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  on behalf of releazer at earthlink.net 
Sent: Tuesday, February 15, 2022 07:13
To: arc5 at ix.netcom.com ; 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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