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GMRS (General Mobile Radio Service) Thread

Discussion in 'General Tundra Discussion' started by Zero One Actual, Sep 12, 2019.

Page 6 of 8
  1. Oct 11, 2019 at 8:57 AM
    #151
    Zero One Actual

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    Zero One Actual [OP] Member among Members

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    It is not political. You are stating factual data obtained from open sourcing. Stand your ground.
     
    Zero One Actual, Oct 11, 2019
    #151
    lewi3069 likes this.
  2. Oct 11, 2019 at 9:20 AM
    #152
    Randy Morton

    #152
    Randy Morton Life takes its toll, please have exact change.

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    From the article: "the State would no longer allow them to operate repeaters on public land without paying substantial rental fees" Actually, it appears that the state has figured out how to tax them.
     
    Randy Morton, Oct 11, 2019
    #152
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  3. Oct 11, 2019 at 9:32 AM
    #153
    lewi3069

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    lewi3069 New Member

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    No problem here man. I just wanted to keep the thread on topic since I enjoy the conversation. It is quite relevant as well.
     
    lewi3069, Oct 11, 2019
    #153
  4. Oct 11, 2019 at 9:40 AM
    #154
    TruckyTruck

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    TruckyTruck Dumbest Username

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    Jeeze... Yes we better just stick to radio talk. It got bitter in here real fast! :oldglory:
     
    TruckyTruck, Oct 11, 2019
    #154
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  5. Oct 11, 2019 at 7:57 PM
    #155
    lewi3069

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    lewi3069 New Member

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    lewi3069, Oct 11, 2019
    #155
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  6. Oct 12, 2019 at 5:11 AM
    #156
    Zero One Actual

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    Zero One Actual [OP] Member among Members

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    Whiskey Tango Foxtrot?
     
    Zero One Actual, Oct 12, 2019
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  7. Oct 21, 2019 at 6:17 AM
    #157
    P-Factor

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    P-Factor New Member

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    Last edited: Oct 21, 2019
    P-Factor, Oct 21, 2019
    #157
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  8. Oct 29, 2019 at 2:16 PM
    #158
    P-Factor

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    P-Factor New Member

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    Midland Halloween Special
    [​IMG]
     
    P-Factor, Oct 29, 2019
    #158
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  9. Oct 30, 2019 at 7:42 PM
    #159
    Zero One Actual

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    Zero One Actual [OP] Member among Members

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    Called Bullet Proof again and they should have them ready to ship in December or January. Expensive option though at probably the $300 range.
     
    Zero One Actual, Oct 30, 2019
    #159
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  10. Oct 30, 2019 at 8:56 PM
    #160
    TruckyTruck

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    I was going to attempt to fab one up for my truck, but if these get made, I'll probably save myself the time and just fork over the money.

    Are the cables built in with these? Or can you use your own?
     
    TruckyTruck, Oct 30, 2019
    #160
  11. Oct 31, 2019 at 6:07 AM
    #161
    Zero One Actual

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    Zero One Actual [OP] Member among Members

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    They include the cable also. Let me check how long it is and what type.
     
    Zero One Actual, Oct 31, 2019
    #161
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  12. Nov 5, 2019 at 11:44 AM
    #162
    Grendel

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    Grendel New Member

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    @lewi3069 Nice write up. I am going to be picking up the MXT 275 for my wife and I. One question on mounting the antenna, I know drilling the roof is the best possible position and there is loss when mounting other places. I have seen the pictures and get it. My question is how much loss is there. For example (assuming all variables are the same) roof mounted and ditch light mounted sitting next to each other. The roof can send and receive clearly for 10 miles, how far can the ditch bracket is there a 1 mile loss an 8 mile loss. We are mainly interested in upgrading from hand helds and communicating vehicle to vehicle usually with in seeing distance and calling for the kiddos to come back to camp. I want to avoiding drilling the roof and am looking at mounting on leitner rack at top of rack or ditch with the midlands 6db antenna. I just don't want to lose too much.
     
    Grendel, Nov 5, 2019
    #162
    danno266 likes this.
  13. Nov 6, 2019 at 11:24 AM
    #163
    lewi3069

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    lewi3069 New Member

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    I think most of the distance loss will come from the direction the signal radiates. I am by no means a professional of RF, but have done a good amount of research. That's why I chose a roof mount. To be honest I expected it to be a lot harder and more involved to install. The obvious pros from a center roof mount is unobstructed transmission with zero loss in gain.

    Now how does that equate to miles of RX/TX lost, it's hard to say. If you ditch mount to the same type of car or truck it will be an equivalent loss, but if using a car and a truck it would be different with a ditch mount as the cab of a truck sits higher than the cab of a car and would introduce more signal blockage. In any case I almost went with a side of hood mount until I saw the following charts of loss and signal propagation. A loss of say -2 or -2.4 db pretty much negates a 3db gain antenna. I'm not sure it's the worst and there are a few other members that have gone with a ditch mount. Maybe they can chime in on the range they have experienced. I think the best bet would to use the leitner rack like you mentioned and use something to create a ground plane like this. You could mount that inbetween the NMO mount and bracket when you put everything together. If it's at the top of the rack it would simulate a roof mount I believe. I almost did the same with my rack that I built (https://www.tundras.com/threads/tonneau-capable-bed-rack-rails.42036/), but I don't always leave the rack or rails on and wanted to have the radio available all the time.

    I haven't had the opportunity to really test the radios out for range from car to car. My wife and I did how ever test from our Condo (Garmin Rino 650 handheld) while I drove into town (roof mounted MXT275) with my Browning BR2445 on top. We were able to speak roughly 1.5 miles with her in the condo on the main level. There was no way we would make it more than 0.5 miles down the road while using a handheld on both sides. While not the best test, it shows that just getting the antenna out of the cab of the truck really helps.

    Hopefully that helps explain things. Like I said I'm no expert, but with the research I have done I think everything I stated is pretty accurate. If not I hope someone else can chime in and correct me.

    [​IMG]
    [​IMG]
     
    lewi3069, Nov 6, 2019
    #163
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  14. Nov 8, 2019 at 2:06 PM
    #164
    P-Factor

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    P-Factor, Nov 8, 2019
    #164
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  15. Nov 8, 2019 at 2:15 PM
    #165
    Grendel

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    Grendel New Member

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    Thanks for the advice. I talked with a midland rep and they apparently have custom vehicle mounts and a flexible antenna coming out soon. So I will wait and see until then and try out using the one it comes with.
     
    Grendel, Nov 8, 2019
    #165
  16. Nov 11, 2019 at 1:31 PM
    #166
    P-Factor

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    P-Factor New Member

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    P-Factor, Nov 11, 2019
    #166
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  17. Nov 22, 2019 at 2:42 PM
    #167
    P-Factor

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    P-Factor New Member

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    P-Factor, Nov 22, 2019
    #167
    Zero One Actual[OP] likes this.
  18. Dec 3, 2019 at 4:55 AM
    #168
    TruckyTruck

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    TruckyTruck Dumbest Username

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    TruckyTruck, Dec 3, 2019
    #168
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  19. Dec 3, 2019 at 5:36 AM
    #169
    Zero One Actual

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    Zero One Actual [OP] Member among Members

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    We will let you slide with that one. But only once.
     
    Zero One Actual, Dec 3, 2019
    #169
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  20. Dec 4, 2019 at 5:43 PM
    #170
    GravityGear

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    GravityGear Parking Lot Prerunner

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    Forgot to say that Dirt Kartel has one of these.
     
    GravityGear, Dec 4, 2019
    #170
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  21. Dec 5, 2019 at 4:06 AM
    #171
    Zero One Actual

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    Zero One Actual [OP] Member among Members

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    It states “for off road use only”. Is that legit you think or just a standard “don’t put your kid in the yeti cooler” sticker?

    I will give them a call.
     
    Zero One Actual, Dec 5, 2019
    #171
  22. Dec 5, 2019 at 6:11 AM
    #172
    GravityGear

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    GravityGear Parking Lot Prerunner

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    Not sure. Call them or Evil Mfg. It has brake and running lights, even cargo lights... Might be due to reflectivity or lack there of? Most likely it's because it's not SAE compliant or DOT certified.
     
    GravityGear, Dec 5, 2019
    #172
    Zero One Actual[QUOTED][OP] likes this.
  23. Dec 5, 2019 at 7:31 AM
    #173
    Zero One Actual

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    Zero One Actual [OP] Member among Members

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    Awesome. If I got pulled over for that I’ve got bigger issues going on.
     
    Zero One Actual, Dec 5, 2019
    #173
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  24. Dec 6, 2019 at 6:58 AM
    #174
    P-Factor

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    P-Factor New Member

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    If anyone is looking for a Midland MXT400 $249 alternative:

    AnyTone at 588 UHF 400-490 MHz Mobile Radio
    Frequency range: 400-490 MHz output power: UHF: 45w/25w/10w(UHF) 1750Hz tone CTCSS/DCS setting & scanning 0-9 SQL grade setting
    • Frequency/channel scanning high/mid/low power selectable voice compander repeater offset shift keypad lock function contact book
    • Battery voltage display DTMF /2 tone/5 tone ANI ID remote kill/ stun/activate/revive emergency alarm wide/narrow band setting TX inhibit
    • Busy channel lock-out channel name editing reverse frequency talk around
    • Scrambler - subject to license voice prompt time-out timer auto power off VFO step setting:5/6.25/10/12.5/20/25/50KHz
    Amazon
    $124.00
    + $9.50 shipping
    Arrives: Dec 12 - 17

    Anytone makes the MXT400 for Midland.
    AnyTone at 588 UHF 400-490 MHz Mobile Radio
    [​IMG]
    Midland - MXT400, 40 Watt GMRS MicroMobile Two-Way Radio
    [​IMG]
     
    Last edited: Dec 6, 2019
    P-Factor, Dec 6, 2019
    #174
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  25. Dec 6, 2019 at 8:23 AM
    #175
    Porkchop Express

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    Porkchop Express Its all in the reflexes

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    Whoa - gonna check that one out
     
    Porkchop Express, Dec 6, 2019
    #175
  26. Dec 7, 2019 at 8:15 PM
    #176
    TransNone13

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    I moved my post to the ham section but I do have a valid gmrs license as well and discovered a modification forr my HAM to use the GMRS frequencies. If anyone is interested I'll post my results using a Yaesu FTM-400XDR VHF/UHF transciever.

    So this is how you do it, super simple. It's the MARS modification and common on many US region HAM radios.

    Screenshot_20191208-203129_Adobe Acrobat.jpg
     
    Last edited: Dec 8, 2019
    TransNone13, Dec 7, 2019
    #176
    Zero One Actual[OP] likes this.
  27. Dec 10, 2019 at 1:14 PM
    #177
    P-Factor

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    P-Factor, Dec 10, 2019
    #177
    Zero One Actual[OP] and Randy Morton like this.
  28. Dec 10, 2019 at 1:23 PM
    #178
    Randy Morton

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    Randy Morton Life takes its toll, please have exact change.

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    Randy Morton, Dec 10, 2019
    #178
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  29. Dec 10, 2019 at 1:25 PM
    #179
    P-Factor

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    P-Factor New Member

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    I totally agree.
     
    P-Factor, Dec 10, 2019
    #179
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  30. Dec 13, 2019 at 1:56 PM
    #180
    P-Factor

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    P-Factor New Member

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    P-Factor, Dec 13, 2019
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