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Official Colorado HAM and cheese thread

Discussion in 'Colorado' started by Stig, Apr 18, 2016.

  1. Jan 4, 2020 at 4:03 PM
    #1461
    odomandr

    odomandr Well-Known Member

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    Fort Collins, CO
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    Icon, AllPro, Total Chaos, ARB, BAMF, Relentless, SCS, Cooper, Leer,
    Well yeah. Ideally three channels.
    http://www.aprs.org/D7xx/d710-setup.txt

    MEMORIES: Store this APRS/Voice Alert channel with CTCSS 100 in
    memory, say memory 1 and name it "APRS VA". Now turn CTCSS OFF
    with no Tones and label this "APRS raw". Save this in say memory 2.
    Now turn CTCSS ON again, and program it with a private PL tone.
    Save this as "APRSmute". Save this in channel 3 for example. With
    these 3 channels then you can easily configure APRS on the fly:

    Ch-1 144.39 CTCSS 100 "APRS VA " - for normal operations
    Ch-2 144.39 no tones "APRS raw" - for troubleshooting the channel
    Ch-3 144.39 CTCSS xxx "APRSmute" - for completely QUIET operation

    The real purpose of channel 3 is if you go to a club meeting or
    hamfest and there are so many voice alert operators that the noise
    is bothering you. DO NOT TURN DOWN SIDE A VOLUME! Instead, set
    channel 3 and you will not hear anything. The reason for this is
    that if you ever turn the volume down, you will forget and it
    might be weeks or months before you realize it and in the mean
    time you missed all those fun Voice Alert calls.
     
  2. Jan 4, 2020 at 11:39 PM
    #1462
    MGM_Grand

    MGM_Grand Well-Known Member

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    Denver, CO
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    2017 MGM DCSB TRD OR
    I'm putting together my list of frequencies for loading in to CHIRP, and making notes for myself. I came upon the Statewide Repeater system: https://colcon.org/wp/repeaters/

    Can someone ELI5 how this works? Is the theory that I could call in to the repeater in Grand Junction and have it transmit statewide? (That'd be real nice trying to talk to the rest of my convoy east of the tunnel.) How does that work if all the repeaters are on different frequencies?

    It's possible I'm grossly misunderstanding the "statewide" part of the repeater system. Perhaps it's just to provide HAM coverage to most of the state?
     
  3. Jan 5, 2020 at 6:01 AM
    #1463
    odomandr

    odomandr Well-Known Member

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    Icon, AllPro, Total Chaos, ARB, BAMF, Relentless, SCS, Cooper, Leer,
    Repeaters can be linked thereby allowing you to hit a repeater via another repeater. That's exactly how it works. Try it out, each club has a repeater network
     
  4. Jan 5, 2020 at 7:25 AM
    #1464
    teamhypoxia

    teamhypoxia MichelinMan

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    Did you see the list linked in the first post?
    By all means, do all the research you want and learn everything you can, but it could save you some time
     
    odomandr likes this.
  5. Jan 23, 2020 at 7:14 AM
    #1465
    bot102

    bot102 The guy who ask a lot of questions

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    Alec
    Littleton, CO
    Vehicle:
    2017 DCOR
    Beat up armor and broken stuff
    I've been plagued with feedback from my radio. Sporadic constant static which I haven't been able to solve. Only thing I know, is when I unscrew the antenna from my mag mount, it stops. The "pitch" of the static tends to change with engine RPM.

    Was doing some digging, found this article, about half way does the page it talk about making low impedance connections to various conductive parts along the vehicle, the main one being the exhaust system/piping. https://hamradioschool.com/going-mobile-part-2-solving-rfi-problems/

    Has anyone experienced or tried this fix?
     
  6. Jan 23, 2020 at 7:22 AM
    #1466
    thefatkid

    thefatkid Well-Known Member

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    Brian
    Colorado
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    2004 Old Man Tan 4runner, EAF Mother Licker
    You do have a lot more electronics than the 2nd gens as far as stock vehicle equipped. Unscrewing your antenna is funny and would quiet all noise so it might be a funny, ineffective way to trace a problem.

    1st, have you played with squelch levels at all to raise your noise floor?

    2nd, can you eliminate the issues with any specific key positions or items left off?

    3rd, Does your truck have PCS, LCA, BSM?

    You could try bonding the exhaust, I haven't seen that issue on a Toyota yet. Generally 2m/70cm isn't too sensitive to panels/parts that are not bonded, unlike HF.
     
  7. Jan 23, 2020 at 7:30 AM
    #1467
    bot102

    bot102 The guy who ask a lot of questions

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    Littleton, CO
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    Beat up armor and broken stuff
    I had no clue how to troubleshoot so I just followed this part of that article,
    -I tried adjusting squelch, no change
    -I tried turning off my car stereo and moving my phone away, no change
    -I don't have any of the fancy BSM, parking sensors or stuff like that.
     
  8. Jan 23, 2020 at 7:40 AM
    #1468
    thefatkid

    thefatkid Well-Known Member

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    Colorado
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    Does the noise occur with the key on, engine off?

    Just FYI the amount of duty cycled parts in a modern running vehicle is crazy. Each one of those duty cycled parts is a potential for RFI. I have a known RFI issue from a worn brake actuator motor, I can't address it due to unit cost. Bonding can sometimes help RFI but is not an end all. I was able to limit my RFI with chokes on that motors power wires and the wires to the radio.
     
  9. Jan 23, 2020 at 7:46 AM
    #1469
    bot102

    bot102 The guy who ask a lot of questions

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    Beat up armor and broken stuff
    I can't recall if I have tested that one yet. I will have to try it next time it occurs and I'm in a position to be able to turn the vehicle off.

    That's what I was reading. Some people recommended chokes/filters on bother the pos/neg wires to the battery to help filter some of it out. Others have said don't use mag mounts, bolt right to whatever surface you are mounting to and, at that, bond to the surface from the mount as well
     
  10. Jan 23, 2020 at 8:22 AM
    #1470
    CO MTN Steve

    CO MTN Steve Well-Known Member

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    Steve
    RaMbLiN' CoLoRaDo
    Vehicle:
    2015 Taco DCSB Blue
    Lifted, Armored, needs more lights.
    I know the biggest RFI in vehicles is the Alternator, but that doesn't jive with your RPM change (Alternators are constant speed- I think)
     
  11. Jan 23, 2020 at 8:24 AM
    #1471
    bot102

    bot102 The guy who ask a lot of questions

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    Beat up armor and broken stuff
    The easier way I can describe the sounds is hearing a vehicle coming down the road with very aggressive tires. Like a jeep with mud terrains or something
     
  12. Jan 23, 2020 at 9:11 AM
    #1472
    teamhypoxia

    teamhypoxia MichelinMan

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    I don't know if the alternator is his problem or not but FWIW I don't see how the alternator could possibly be a constant speed if it's driven by a belt from the motor....
     
    nats, Old Marine Cal and CO MTN Steve like this.
  13. Feb 4, 2020 at 6:18 PM
    #1473
    Littles

    Littles Stupid is as stupid does.

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    Nerd time! Finally going to start playing with DMR.

    20200204_191507.jpg
     
  14. Feb 4, 2020 at 6:47 PM
    #1474
    johntoyota

    johntoyota "I'm higher than you'll ever be." -Treetop

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    Down yonder
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    Nerd.
     
  15. Feb 4, 2020 at 7:06 PM
    #1475
    YamaDirtrider

    YamaDirtrider Custom bumpers @FORT-ifyRigs

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    What hasn't been modified?
    When you and @bot102 gonna retest?
     
  16. Feb 4, 2020 at 10:16 PM
    #1476
    Littles

    Littles Stupid is as stupid does.

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    20200204_223412.jpg

    After almost 9 months since I bought this radio, I have to say it's pretty cool to finally be up and running, listening to people say good morning and good evening to each all over the world. I got a little overwhelmed by programming the thing at first. Then after I got all the contacts and zones and channels figured out, I realized I cant hit a repeater from my apartment. But that's what makes DMR so cool. I can tune into conversations happening anywhere from anywhere I get internet with a hot spot. Pretty slick stuff. Completely different application for radio than what we do in our trucks.
     
    JDM and odomandr like this.
  17. Feb 5, 2020 at 5:14 AM
    #1477
    johntoyota

    johntoyota "I'm higher than you'll ever be." -Treetop

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    Soon
     
    bot102 likes this.
  18. Feb 5, 2020 at 7:24 PM
    #1478
    YamaDirtrider

    YamaDirtrider Custom bumpers @FORT-ifyRigs

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    What hasn't been modified?
  19. Feb 7, 2020 at 8:01 PM
    #1479
    BigTex970

    BigTex970 Active Member

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    I previously got my license to use radios for SAR as I was on the tech rescue team with the Sheriff's Office. But getting back to HAM radio use and installed a Yaesu FTM-400XDR a couple weeks ago. I'm in Fort Collins, and not familiar with the repeaters and frequencies in use over here. Plus I had it easy when I was on the tech team as one of the radio guys programmed my handheld with all the names, frequencies, etc. Any recommendations up here in NoCO to get me squared away, help program my radio and get me reintroduced to HAM?
    Thanks,
    Marc. KD0KPV
    IMG_0176.jpg
     
  20. Feb 7, 2020 at 8:06 PM
    #1480
    teamhypoxia

    teamhypoxia MichelinMan

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    Check out the first post in this thread for some helpful links including a channel list you can use to program your radio if you want.
     
    xxTacocaTxx likes this.

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