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Clean VHF/CB radio installs

Discussion in '3rd Gen. Tacomas (2016+)' started by FoleySwampPlotts, Feb 10, 2016.

  1. Feb 5, 2019 at 7:56 PM
    #1021
    Bastek

    Bastek Member

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    Some stickers, plastidip and radio knobs
    The only one right now
    IMG_20190205_2862.jpg
    I just notched and filed the edge enough to fit the wires.
    I don't have a pic of how I actually routed the wires. Sorry
     
    Last edited: Feb 5, 2019
  2. Feb 5, 2019 at 8:37 PM
    #1022
    helix66

    helix66 Well-Known Member

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    I'm wondering if it's it because there's basically no ground plane for the antenna with that mount.
    Ground plane, not a ground.....ideally for best swr you want an antenna mounted wight in the middle of a metal roof.
     
  3. Feb 5, 2019 at 9:12 PM
    #1023
    tacovagon

    tacovagon Well-Known Member

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    Yeah. Some of these antenna mounts look pretty iffy. Some antennas require a ground plane and some don't. I.E. a 5/8 wave antenna requires the ground plane and a 1/2 wave wouldn't. I think a 1/4 wave does but my antenna theory is a little rusty.
     
    Last edited: Feb 5, 2019
    helix66 and Mtn Mike like this.
  4. Feb 6, 2019 at 4:39 AM
    #1024
    k8md

    k8md Well-Known Member

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    It could be the antenna. However, I'd try improving the ground plane first and double check the feedline and connectors. Remove the antenna from the mount and the center pin should show as electrically open from the coax shield at the radio.

    Make sure the mount has a good electrical connection to the hood. Use a multi-meter to test continuity. If that doesn't help, try adding some ground strap to tie the hood to the fenders. If that doesn't help, then look at the antenna.

    Most antenna's should approximate a 1/4 wave, by using inductive loading. you can make a real 1/4 wave by cutting 102" of wire. Just about any gauge should work. I'd probably try to be close to 12ga-ish. Put a ring terminal on one end and use a 3/8-24 bolt to thread into the antenna mount with the ring terminal. Try to get the 102" wire as vertical as possible. Now you have a true (half ass temporary) 1/4 wave. Test SWR. If it's really high, you know it's still a ground problem, or feedline problem, or connector problem, not a defective antenna. If SWR is low, then it's possibly a bad antenna.

    You can talk on the 102" wire if you want. It won't hurt the radio and is probably more effective then any other antenna.
     
  5. Feb 6, 2019 at 3:50 PM
    #1025
    helix66

    helix66 Well-Known Member

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    Too bad it's in the front otherwise you could out on one of these...
    [​IMG]
     
  6. Feb 7, 2019 at 8:34 PM
    #1026
    Cudgel

    Cudgel “Tonka”

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    How’$ that working out for you. Cook your rig yet?
     
  7. Feb 7, 2019 at 8:41 PM
    #1027
    Cudgel

    Cudgel “Tonka”

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  8. Feb 7, 2019 at 9:15 PM
    #1028
    Boomer3731

    Boomer3731 Well-Known Member

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    MESO likes this.
  9. Feb 7, 2019 at 9:30 PM
    #1029
    5nahalf

    5nahalf Well-Known Member

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  10. Feb 7, 2019 at 9:59 PM
    #1030
    Boomer3731

    Boomer3731 Well-Known Member

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  11. Feb 8, 2019 at 5:02 AM
    #1031
    Cudgel

    Cudgel “Tonka”

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    Nice! I picked up the rack mount version and plan to install this weekend or next. Any comments on your experience or the quality. Does the activation switch have a momentary on/off or is it on=up or something? Vid is great!
     
  12. Feb 8, 2019 at 7:29 AM
    #1032
    5nahalf

    5nahalf Well-Known Member

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    The switch is goofy, its a up and a down arrow, pushing either one just switches the polarity. I cooked my switch though while trying to hardwire it. I accidentally reversed the wires and it burned out one of the micro switches.

    So if you try to hardwire, check and double check your polarity before you install it. You can double check the polarity by taking the switch apart, the polarity is noted on the board inside.

    I emailed the company, but never got a response about getting a new switch, so I have to either fix mine, or make a new one.


    Overall I feel the unit is very well made, I think the switch and the wiring for it are very lacking. They use cheap wire going to the unit.

    To ground it, there are 4 screws on the underside that allow you to rotate it around. I used these 4 screws to ground, I ran a cable from each screw to my grounding point.
     
    Last edited: Feb 8, 2019
  13. Feb 8, 2019 at 8:09 AM
    #1033
    Sand Dog

    Sand Dog Well-Known Member

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    I have the exact same set-up (F5021 and an old Motorola speaker) which i am planning to install this weekend. Does the location that you have it in interfere with the seat? or your leg? Thanks.
     
    Mtn Mike likes this.
  14. Feb 8, 2019 at 8:34 AM
    #1034
    Mtn Mike

    Mtn Mike Well-Known Member

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    My right leg rests against the radio as I drive. It's somewhat annoying but I'm used to it. In its most forward position the seat would hit the radio but I'm 6'2" so the seat is never in that position. A detachable face radio would be very nice but I like the f5021 enough to put up with the annoyances.
     
  15. Feb 8, 2019 at 8:46 AM
    #1035
    Sand Dog

    Sand Dog Well-Known Member

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    Thank you. I am kind of stuck (wrong word - because i do like the rig) with that radio as well. Just tryng to figure out my options. Much appreciated.
     
  16. Feb 13, 2019 at 1:31 PM
    #1036
    BeerGuy

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  17. Feb 13, 2019 at 1:39 PM
    #1037
    Mtn Mike

    Mtn Mike Well-Known Member

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    Yep, that should work. You really wont know how it well it works until you are able to analyze the antenna using an SWR meter or even better an antenna analyzer. However VHF/UHF antennas and radios are fairly forgiving in terms of antenna placement. So if it were me I'd just mount it up and test it out on the air. Then try to find someone with an analyzer to help you REALLY check out the SWR curve.
     
  18. Feb 13, 2019 at 1:49 PM
    #1038
    Go Fish

    Go Fish Well-Known Member

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    It should work if the roof rack is metal and the bracket makes a connection between the base of the antenna and the rack. If the rack and/or bracket are painted, you'll need to remove some paint or add a strap.
     
    Sand Dog likes this.
  19. Feb 13, 2019 at 2:03 PM
    #1039
    Sand Dog

    Sand Dog Well-Known Member

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    Check the thickness of the bracket and the spec on that nmo mount. It might be fine but if not, They do make nmo’s That can clear thicker surfaces if you need it.
     
  20. Feb 13, 2019 at 2:11 PM
    #1040
    JoeCOVA

    JoeCOVA IG @MightyJoeFlannel

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    Dumb question:

    How do I shield my radio Antenna from EMI?

    I have mine mounted next to the ditch lights and when the lights are on, I get EMI.

    Other than just turning the lights off or moving the antenna are there other options?
     
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