GPS Technical Discussion

Technical discussion for all types of GPS/GNSS.

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  1. terrypingps

    iPhone trackpoint interval?

    terrypingps, Aug 30, 2016
    Replies:
    12
    Views:
    1,698
    terrypingps
    Sep 9, 2016
  2. boeflex

    Looking for help on building a GPS receiver (novice)

    boeflex, Jun 27, 2020
    Replies:
    10
    Views:
    895
    Nuvi-Nebie
    Jul 1, 2020
  3. michael62s

    bizarre 62s power off problem

    michael62s, May 23, 2017
    Replies:
    10
    Views:
    1,832
    michael62s
    Jun 1, 2017
  4. Rayban76

    Ford Factory GPS - Using Whereis Maps

    Rayban76, Mar 19, 2017
    Replies:
    9
    Views:
    5,650
    Markart
    Apr 20, 2021
  5. mb1280

    How can you tell how good or average a GPS is?

    mb1280, Feb 12, 2021
    Replies:
    8
    Views:
    822
    mb1280
    Feb 13, 2021
  6. mgh24

    Maps I can create gpx from

    mgh24, Sep 13, 2019
    Replies:
    8
    Views:
    979
    Nuvi-Nebie
    Sep 14, 2019
  7. LostMyWayInCongo

    Usage of KML's

    LostMyWayInCongo, Dec 13, 2016
    Replies:
    8
    Views:
    1,238
    LostMyWayInCongo
    Dec 23, 2016
  8. jura87

    get GPS signal strength

    jura87, Apr 5, 2016
    Replies:
    7
    Views:
    3,488
    jura87
    Apr 6, 2016
  9. bsa250

    Oregon 300

    bsa250, Sep 25, 2019
    Replies:
    6
    Views:
    885
    bsa250
    Oct 3, 2019
  10. Gillian

    Correcting GPS height against known height?

    Gillian, Jan 23, 2019
    Replies:
    6
    Views:
    851
    Gillian
    Feb 4, 2019
  11. pistolpete817

    Garmin GPS Moving Positional Accuracy

    pistolpete817, Mar 21, 2024
    Replies:
    5
    Views:
    399
    pistolpete817
    Mar 27, 2024
  12. anwat

    "dedicated GPS" modules

    anwat, Sep 11, 2021
    Replies:
    5
    Views:
    599
    Nuvi-Nebie
    Sep 15, 2021
  13. Steve IA

    GPS to PDF

    Steve IA, May 19, 2017
    Replies:
    5
    Views:
    1,286
    Nuvi-Nebie
    May 4, 2020
  14. Quentin

    GPS Inaccurate Speed

    Quentin, Feb 25, 2020
    Replies:
    5
    Views:
    807
    Nuvi-Nebie
    Feb 29, 2020
  15. chandradeo

    Install seperate GPS at all user locations or a central GPS for Time distribution ??

    chandradeo, Aug 16, 2019
    Replies:
    5
    Views:
    702
    Nuvi-Nebie
    Aug 22, 2019
  16. David74656

    Garmin mini USB capacitor to couple traffic antenna

    David74656, Jul 28, 2017
    Replies:
    5
    Views:
    1,724
    Nuvi-Nebie
    Aug 1, 2017
  17. David619

    Does GPS take longer to calculate speed more accurately?

    David619, May 26, 2017
    Replies:
    5
    Views:
    1,078
    Nuvi-Nebie
    Jun 1, 2017
  18. ricky22

    WAAS 135 & 138 navigation message

    ricky22, Feb 12, 2017
    Replies:
    5
    Views:
    2,271
    ndoggac
    May 16, 2017
  19. AI6MK

    UBLOX ZED-F9P and NEO-F10N

    AI6MK, Apr 1, 2024
    Replies:
    4
    Views:
    269
    Nuvi-Nebie
    Apr 3, 2024
  20. lshengfang

    "VBS WET ERROR" Error Message

    lshengfang, Jul 20, 2013
    Replies:
    4
    Views:
    4,912
    Nuvi-Nebie
    Aug 12, 2022
  21. Django

    Multiple navigation providers

    Django, Dec 24, 2020
    Replies:
    4
    Views:
    637
    Nuvi-Nebie
    Sep 11, 2021
  22. Name Redacted

    Accurate GPS

    Name Redacted, Jun 15, 2021
    Replies:
    4
    Views:
    841
    Nuvi-Nebie
    Jun 16, 2021
  23. gps1234

    Calculating position question

    gps1234, Jan 8, 2018
    Replies:
    4
    Views:
    1,247
    Mark Hunter
    Apr 16, 2018
  24. jorge rodriguez

    HI... I am using the Fastrax 530 in periodic mode eith 2 sec ON and 15 sec OFF.

    jorge rodriguez, Aug 15, 2016
    Replies:
    4
    Views:
    1,052
    jorge rodriguez
    Aug 16, 2016
  25. L john Irving

    Garmin GPS "sees" satellites but can't communicate

    L john Irving, Apr 25, 2016
    Replies:
    4
    Views:
    964
    L john Irving
    May 8, 2016
  26. Guled

    Changing rinex files from static to kinematic

    Guled, Jan 1, 2016
    Replies:
    4
    Views:
    2,958
    Dragusi Radu-Constantin
    Feb 16, 2016
  27. madlabs

    Motorola Oncore UT+ wrong date?

    madlabs, Aug 30, 2015
    Replies:
    4
    Views:
    1,763
    Nuvi-Nebie
    Aug 31, 2015
  28. bsa250

    GPSmap 62s

    bsa250, Nov 6, 2019
    Replies:
    3
    Views:
    778
    Nuvi-Nebie
    Nov 8, 2019
  29. JackL

    Ashtech ProFlex 500 Week Rollover?

    JackL, Mar 31, 2019
    Replies:
    3
    Views:
    1,656
    JackL
    Apr 4, 2019
  30. Ash

    GPS message: compute ephemeris data and pseudo-ranges from subframes

    Ash, Apr 4, 2017
    Replies:
    3
    Views:
    1,541
    ndoggac
    May 4, 2017
  31. MatthewF13

    Importing Points to Garmin GPSMap64

    MatthewF13, May 18, 2016
    Replies:
    3
    Views:
    1,954
    MatthewF13
    May 18, 2016
  32. Will

    Magellan Triton 400

    Will, May 6, 2016
    Replies:
    3
    Views:
    2,280
    Nuvi-Nebie
    May 10, 2016
  33. Ravindra ji

    3 satellite GDOP Calculation

    Ravindra ji, Aug 27, 2015
    Replies:
    3
    Views:
    2,511
    Jeff Mason
    Mar 17, 2016
  34. Butch1Butch

    Best GPS for precise Lat and Long

    Butch1Butch, Oct 16, 2015
    Replies:
    3
    Views:
    1,381
    Nuvi-Nebie
    Dec 28, 2015
  35. Bruce_ca

    etrex not recording tracks

    Bruce_ca, Jun 28, 2022
    Replies:
    2
    Views:
    398
    Bruce_ca
    Jun 28, 2022
  36. Rickwalley

    When will GPS III come online

    Rickwalley, Sep 25, 2021
    Replies:
    2
    Views:
    667
    Rickwalley
    Sep 26, 2021
  37. kiks73

    GPS portable receiver with Galileo and KMZ compatible

    kiks73, Feb 6, 2020
    Replies:
    2
    Views:
    703
    kiks73
    Feb 6, 2020
  38. PAGOVIND

    CLOCK sync

    PAGOVIND, Nov 20, 2019
    Replies:
    2
    Views:
    859
    Nuvi-Nebie
    Nov 28, 2019
  39. Bookman

    SatNav in lighter socket and 'surge' risk before engine running?

    Bookman, Aug 4, 2019
    Replies:
    2
    Views:
    829
    Bookman
    Aug 8, 2019
  40. Stalemate

    How to achieve sub-meter accuracy in remote locations?

    Stalemate, Jun 25, 2019
    Replies:
    2
    Views:
    939
    Stalemate
    Jun 26, 2019
  41. ericscher

    Is there a unit precise below 1 foot?

    ericscher, Jan 12, 2018
    Replies:
    2
    Views:
    1,745
    Nuvi-Nebie
    Feb 19, 2019
  42. Ember

    Interference between satellites

    Ember, Dec 31, 2018
    Replies:
    2
    Views:
    916
    Ember
    Jan 3, 2019
  43. Richard Hewitt

    Garmin 595lm drops connection

    Richard Hewitt, Jun 27, 2018
    Replies:
    2
    Views:
    764
    Richard Hewitt
    Jun 29, 2018
  44. Naresh

    GPS satellite visibility

    Naresh, Jul 12, 2013
    Replies:
    2
    Views:
    2,079
    Mehmet Çömek
    Aug 25, 2017
  45. Parambs

    LED indicator for receiver status

    Parambs, Aug 1, 2017
    Replies:
    2
    Views:
    878
    Parambs
    Aug 10, 2017
  46. Abey

    How to download broadcast almanac and ephemeris data

    Abey, Mar 12, 2015
    Replies:
    2
    Views:
    10,392
    deepblue
    Jun 21, 2017
  47. deepblue

    absence of p2 code data of most GPS satellites in rinex data

    deepblue, Apr 6, 2017
    Replies:
    2
    Views:
    1,006
    deepblue
    Jun 21, 2017
  48. Nigel

    garmin etrex 35 southern africa maps

    Nigel, Apr 18, 2017
    Replies:
    2
    Views:
    1,057
    Nuvi-Nebie
    Apr 19, 2017
  49. Jimmie Tatum

    Help! I've wrecked my Garmin 2555LMT.

    Jimmie Tatum, Jul 14, 2016
    Replies:
    2
    Views:
    1,207
    Jimmie Tatum
    Jul 14, 2016
  50. Julia

    Trimble R8 radio communication issues

    Julia, Jan 13, 2016
    Replies:
    2
    Views:
    6,773
    Julia
    Mar 21, 2016
Showing threads 1 to 50 of 177

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