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A GMRS Radio over a CB Radio???

Discussion in 'CB Radio Forum' started by russbrill, Apr 18, 2020.

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  1. Apr 18, 2020 #1
    russbrill

    russbrill Medium Load Member

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    Has anyone thought about Midland's Micro-Mobile GMRS Radio(s) as a replacement for CB Radio. GMRS Radios operate in the UHF Band from 462 MHz to 467 MHz. On channels 1 thru 7 output power is 5 watts, on channels 15 to 22 the output power is 50 watts, and you can operate in Repeater Mode. The GMRS Band is FM only, no AM or SSB.

    When it comes to fiberglass truck bodies, NO Problem, there are efficient NO Ground antennas with GAIN!

    A lot of the Jeep Clubs are starting to switch to GMRS/FRS, maybe Truckers should do the same...

    Any thoughts on a switching over to UHF???
     
    russbrill, Apr 18, 2020
    russbrill, Apr 18, 2020
    #1
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  3. Apr 19, 2020 #2
    craig_sez

    craig_sez Road Train Member

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    No..no one to give bear,accident to and from....Who you gonna tell "i aint got no pantys on" to....The jeep clubs are in bed by dark and truckers run 24 hrs...So once all truckers do the move its gonna be same thing but even more crowded on less freq as per your comments above...
     
    craig_sez, Apr 19, 2020
    craig_sez, Apr 19, 2020
    #2
    Coffey Thanks this.
  4. Apr 19, 2020 #4
    russbrill

    russbrill Medium Load Member

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    Having an effective 27 MHz antenna system in the newer trucks is a major problem. Most Drivers are only getting a mile or two out of their CB setups. There are several UHF High Gain antennas that do NOT require a Ground or Ground Plane of any kind. Groundless antennas (about 34 inches tall) on UHF will allow superior range compared to CB. As far as channels are concerned, most drivers are on 17 or 19, in the old days when CB had fewer than 23 channels, I believe the Drivers all ran channel 6.. With GMRS Drivers could run channel 20 simplex, or in repeater mode with a PL of 141.3 Hz (Travel Tone). GMRS Channel 20 (462.675 MHz, PL 141.3) is the Travel/Emergency Assistance repeater channel on GMRS, you may also run Simplex mode (Truck to Truck)...

    The Jeep folks are dumping CB because GMRS has better range, uses FM for better sounding communications between users, and has NO Skip conditions that will take out local communications.
     
    russbrill, Apr 19, 2020
    russbrill, Apr 19, 2020
    #4
  5. Apr 19, 2020 #4
    craig_sez

    craig_sez Road Train Member

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    Im not haveing a problem with my ant on my cascadia....A lil time and $,study n such and many out there can solve the ant issue...
    I had some help,did some reading,watched videos..
    Most out there dont wanna put the effort in it so they cant blame the radio...

    Truck manufactures dont give a crap about cb radio so,if a driver wants it well he has to do the work..
     
    craig_sez, Apr 19, 2020
    craig_sez, Apr 19, 2020
    #4
    Ougigoug, rabbiporkchop and stacks Thank this.
  7. Apr 19, 2020 #5
    Ridgeline

    Ridgeline Road Train Member

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    The range is limited, it is a true line of sight radio and unless there are repeaters, you may not get farther than a half mile.
     
    Ridgeline, Apr 19, 2020
    Ridgeline, Apr 19, 2020
    #5
  8. Apr 19, 2020 #6
    craig_sez

    craig_sez Road Train Member

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    You got a hell of a weak radio set up if skip takes out the chat between you and your buddy less than a mile away..

    Just me or am i the only one gettin a weird vibe from this thread..
     
    craig_sez, Apr 19, 2020
    craig_sez, Apr 19, 2020
    #6
    jessejamesdallas Thanks this.
  9. Apr 19, 2020 #7
    Central_Scrutinizer

    Central_Scrutinizer Light Load Member

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    "no ground plane" antennas are usually a compomise. An exception may be a vertically mounted dipole of some kind. Simple for GMRS, large for CB. There is an old post somehwere here about the CB case of a vertical dipole mounted on the side of a fiberglass cab. Most of that sort of thing is not 'plug and play'.

    A marine antenna designed for a fiberglass boat might work.
    There ought to be some ham radio folks on here who have gotten results with a fiberglass truck.
     
    Central_Scrutinizer, Apr 19, 2020
    Central_Scrutinizer, Apr 19, 2020
    #7
  10. Apr 19, 2020 #8
    craig_sez

    craig_sez Road Train Member

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    102" with a 10" mast mounted on a 18 cascadia..No probs here..Well except when it gets cruddy from corrosion and dirt ect..
     

    Attached Files:

    craig_sez, Apr 19, 2020
    craig_sez, Apr 19, 2020
    #8
    rabbiporkchop and Central_Scrutinizer Thank this.
  11. Apr 19, 2020 #9
    craig_sez

    craig_sez Road Train Member

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    Lol my phone froze up when i tried to load the pics so i didnt think anything did..
    Doubled one pic and the last one was not ment to load at all..
     
    craig_sez, Apr 19, 2020
    craig_sez, Apr 19, 2020
    #9
  12. Apr 19, 2020 #10
    Central_Scrutinizer

    Central_Scrutinizer Light Load Member

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    just images of the antenna analyzer readouts.
    The text of the post is the key.
     
    Central_Scrutinizer, Apr 19, 2020
    Central_Scrutinizer, Apr 19, 2020
    #10
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