oldcb
Member
always wondered why there's that void between 22 and23 on a 23 channel cb?.....................oldcb
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dumb cb question
- Thread starter oldcb
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k3cfc
Silent Key
There is also gaps between 3-4 7-8 11-12 15-16 19-20. these are rc remote control frequencies for radio controlled models of all sorts. about 22-23 it's been a long time and i forget but i think it has something to do with European radios.
Remember Google is your friend.
K3CFC
oldcb
Member
i've never noticed a gap on the other channels you mentioned, but i'm sure they're there, but between 22 and 23 it's quite obvious there's a full channel gap......................oldcb
kc4jgc
Member
Channels 24 and 25 are between 22 and 23. Before the expansion from 23 channels to 40, 27.235 and 27.245 were class C CB (remote control) channels. However, they were often used illegally as voice channels 22A and 22B. It was natural when the expansion happened that those freqs became channels 24 and 25. The other gaps on the band are also class C CB freqs. Look at the remote control toys that say 27 MHz. Turn on the RC transmitter and a scanner in search mode; you'll find the transmitter in one of those gaps!
oldcb
Member
thanks for the info, a little more than i was expecting, so was it a major pain for the FCC when switching from 23 to 40 channels?........................oldcb
Dunno what it's original intention was, but that little blank space was a great place to put the selector when using the PA function during a parade and not have skip noise going through the speaker when you weren't on the microphone.
No bits were harmed in the posting of this message.
No bits were harmed in the posting of this message.
k3cfc
Silent Key
They go by 10 EXCEPT where i said.
CB RADIO FREQUENCIES
American Cb Radio Frequencies
1 26.965 MHz
2 26.975 MHz
3 26.985 MHz
4 27.005 MHz
5 27.015 MHz
6 27.025 MHz Superbowl of CB Radio
7 27.035 MHz
8 27.055 MHz
9 27.065 MHz
10 27.075 MHz
11 27.085 MHz
12 27.105 MHz
13 27.115 MHz
14 27.125 MHz
15 27.135 MHz
16 27.155 MHz
17 27.165 MHz
18 27.175 MHz
19 27.185 MHz Truckers Channel
20 27.205 MHz
21 27.215 MHz
22 27.225 MHz
23 27.255 MHz
24 27.235 MHz
25 27.245 MHz
26 27.265 MHz
27 27.275 MHz
28 27.285 MHz
29 27.295 MHz
30 27.305 MHz
31 27.315 MHz
32 27.325 MHz
33 27.335 MHz
34 27.345 MHz
35 27.355 MHz
36 27.365 MHz LSB ONLY
37 27.375 MHz LSB ONLY
38 27.385 MHz LSB ONLY
39 27.395 MHz LSB ONLY
40 27.405 MHz
oldcb
Member
i think N9MXQ is on the right page, i'm not referring to frequencies, (although i feel it most likely is in regard to frequencies), just the void used between 22 and 23 on the rotary dial cb's, seams to put the radio in a mute mode, i was reading some specs on a vintage clairion cb, it was shown as a 23 channel, and then was shown (1-22 + 11a)..............not sure what that means......................oldcb
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I think that '11A' was 27.195 and an R/C channel. That was a long time ago so I don't remember really.
- 'Doc
PS - There are no 'dumb' questions, but there are a lot of 'dumb' answers, which just means they are wrong. Except when you apply that 'logic' to politics and then all bets are off!
- 'Doc
PS - There are no 'dumb' questions, but there are a lot of 'dumb' answers, which just means they are wrong. Except when you apply that 'logic' to politics and then all bets are off!
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oldcb
Member
i guess what i still don't understand is where this 11a channel would have been on the dial, and if there was a frequency used in the "void" it would have made it a 24 channel cb...................still wondering...................oldcb
k3cfc
Silent Key
11 A is 27.095
oldcb
Member
well i guess this dumb question isn't so dumb after all, i figured the vets on this site would have know the answer as to what the "void" truly is right away, i'll be looking into it more...........................oldcb
milkman21218
Member
27.195 is 19a.
oldcb
Member
well i did find my answer, and yes it was do to r/c frequencies being used between 22 and 23, you can also see how this interrupted the frequencies 23, 24, and 25 by being out of sequence when the switch over to 40 channels.......................oldcb
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