Question about Raytheon VHF 53 CB Radio

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Lincoln 2510 has no channel rejection

Transmits great receives great but also picks up other channels all over the band even if they only put like a 5lb on me ive never heard of this before. reply Sbabygirl316@aol.com

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Sounds like your IF filter is bad they are usually the same in most mobiles if you can not find the original take a used one out of an old mobile to replace yours.

Posted on Sep 13, 2010

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Cobre 18 wxstII


Check and be certain you are not on the weather band. if you are you can not transmit and if you are not set to the proper weather station you will hear nothing. Sound like your problem.

Apr 12, 2014 | Cobra Radio Communications

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Can two different style motorola 2 way radios be changed to same frequency


Hi Kate,

The short answer to your question is: no, or "not readily". Here's why:

The Motorola 4900 radio operates in the FRS (family radio service) and GMRS (general mobile radio service) in the UHF band. This radio will work with any other FRS / GMRS band radios (no reprogramming of transmit and or receive frequencies is possible for these radios). The trick is that the numbering of the channels may differ from brand to brand ie: Ch1 on your Motorola may not necessarily be Ch1 on a Midland radio or other brand. A complete list of the frequencies and channel assignments for FRS /GMRS can be found on Pg. 17 of the manual. It is important to note that without a valid GMRS license, you are prohibited from transmitting on the GMRS only channels (Ch 15 through Ch 22). The combination GMRS/FRS channels (Ch1 through Ch7) and the FRS only channels (Ch8 through Ch14) are for individuals and family members that do not have valid GMRS licenses. If this is you, you should limit your transmissions to Ch1 through Ch14 only, as FRS does not require a license in the US. Unlicensed use of GMRS only Ch15 through Ch22 can result in fines and imprisonment if caught by the FCC.

Further complicating the issue are the so called "privacy tones". This is simply a very low or "sub-audible" frequency that is sent whenever transmitting. Motorola calls these "Interference Eliminator Codes". When another radio receiver is set to listen for a particular privacy tone, it stays silent until a transmission with the exact same privacy tone is detected. Again, these tones are listed in no particular order, but are generally listed as 1, 2, 3, etc. or a, b, c, etc. instead of the actual frequency in hertz. You can selectively set your radio to transmit & receive one of the 38 codes or, set the code to "0" to communicate with radio that do not offer these privacy codes - or does not use the same frequencies for these codes. You can read more on Motorola's codes on Pg. 19 of the manual.

The Motorola CP200 radio on the other hand is a commercial radio, and requires computer programming with Motorola software. The CP200 is offered as both Low & High sub-banded VHF and Low, Mid & High sub-banded UHF radios. You would need to have a CP200 that is designed to accept the Mid UHF band (438Mhz - 470Mhz) frequencies in order to program the 462Mhz & 467Mhz FRS / GMRS frequencies into it. The final obstacle would be what is called "FCC Type Acceptance". The CP200 is probably NOT Type Accepted for transmitting FRS/GMRS frequencies, and as such the Motorola dealer doing the programing might balk at putting them in. You can read a spec sheet on the CP200 here.

I hope this helps & good luck!

Feb 29, 2012 | Motorola Radio Communications

1 Answer

I just picked up a 99 china cobra ltd st. Tx works on all channels, but no Rx on channels 1-19. Any help pointing me in the right direction would be greatly appreciated.


somebody tampered with internal adjustors seems to me. you can take a screw driver and turn off receive for so many channels but crank it for higher band. It was probably locked on a upper channel for a Friendly chat station say Channel #28. Where they stayed and talked on 1 channel all time. Could be that. Maybe its got broke wires or board on that other set of channels or parts fried, chip bad etc. Get it checked out at CB shop. if you have any knowledge, turn IF to receive and crank up receive inside radio. If don't know anything take to shop..sounds like simple fix to me.

Feb 18, 2011 | Cobra 29 LTD CB Radio

1 Answer

How can i modify the midland 75-822 for more channels?


Modding your CB for more channels puts the radio into Ham bands which you need a license to transmit on, also modding a CB violates FCC part 95 rules and is therefor illegal to transmit with and the hams report most illegal transmitting on there band

Jan 30, 2011 | Midland 75-822 40-Channels Handheld CB...

1 Answer

Please explain a 10 meter am/fm radio


Okay.

You do set this up like a regular CB. The meters refers to how long the waves are. CB is 11 meters. So its very close. The antenna woud be tuneds slightly shorter. Use the SWR meter in the radio to calibrate just like you would a normal cb.

Now for the ABCDEF knob. each letter is 40 channels in the band. So A would be 1 - 40 channels, then B would be the next 1 - 40 channel frequencies. You use the frequency counter in the radio(providing that model has one) to tell what channel you are on.

Here is some info one the frequencies in the band.

Now for AM and FM. this is the type of modulation you are using for transmit and receive.

CB transmits on AM or SSB. Amplitude modulation or Single side band. Most CB radios only have AM. But some also have SSB. None will have FM.

FM is frequency modulation.

10 meter radios can have AM FM SSB and DSB depending on the model and options it comes with.

So your radio has 6 ranges for freqency. each is 40 or 50 channesl. Not sure what model you have. If it has 40 then you have 240 channel freqencies.

with AM and FM, you double that, because you can talk on AM or FM on all the channels. If you are on AM and some one transmits on FM unless they are really close, you will not hear them at all, but if you do with will just be garbbled noise.

Also Am and FM both work a little different with range etc.

Now, you may be able to talk on the CB channels as well. Cb starts at 26.965 MHz and ends at 27.405 MHz. The channels are all .010 MHz appart.

Hope this helps

Dec 09, 2009 | Radio Communications

1 Answer

Have uniden 396T. Control channel now on one system does not work


Have you put in more than one control channel for your area.

I always put as many of the red or blue Control channels in my area. I counted 23 Control Channels for the whole system. I would put everyone in if it were me.

I set the system up as "Control Channel Only".

In a metroploitan area you should be able to pick up another control channel on the system.

I use the Arc396Pro Software ato program my scanner. (available at ScannerMaster) I know in the Pro version you can download the information directly into your scanner. You can try this to be sure your settings are going in correctly.

J

Nov 16, 2009 | Uniden BCD396T Handheld Scanner

1 Answer

Uniden Bearcat BC60XLT 10 Channel 10 Band Radio Scanner with L/O on every channel #


http://www.uniden.com/pdf/BC860XLTom.pdf
Here is the link for your scanner manual. In it you will find everything you need to change the lock out and also to inpout channels and what not

Feb 10, 2009 | Computers & Internet

1 Answer

Cable channels 5 and 6


not sure on this model , but check your menu and see under the setup menu if it has a band select option or tuning band. sometimes the autoprogram may pick up the wrong band. Make sure it is set correctly. I had this where it would just make some certain channels bad.

Nov 01, 2007 | Zenith A25B33W 25" TV

1 Answer

Lost channels in a galaxy 66v cb radio


as far as the transmit frequency changing while you have the mic keyed this is normal, the transmit frequency is a little different than the receive, as far as the lost channels go you need to check the galaxy website and check to see if thier is any fixes listed. if none is listed then you can send the tech's a e-mail and tell them your problem and they will advise you on what to do.

Aug 15, 2007 | Galaxy Radios DX-66V Base CB Radio

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