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Thread: Tower distance calculator

  1. #1

    Default Tower distance calculator

    I've created a simple Web form for calculating distances to known towers. http://rational.co.za/MyWireless/calculate.html Near towers are in green.

    I've added most of the Pta towers.
    To add a tower use http://rational.co.za/MyWireless/addtower.html.

    Both pages use the coordinates on the bottom of the zone locator screen.

  2. #2
    Active Member
    Join Date
    Mar 2004
    Location
    South Africa.
    Posts
    87

    Default

    Very nice!! Now, all we need are the co-ordinates of all the towers.

  3. #3

    Default

    Awesome Nic!

    <center><h5><font color="red">Oo. MyWireless <s>Hacks</s> Tweaks & Tech Info.oO </font id="red"></h5><h6>Have you checked the fawking FAQ?</h6></center>

  4. #4
    Senior Member
    Join Date
    Aug 2003
    Location
    Pretoria
    Posts
    405

    Default

    I've added in Hurlyvale tower in Edenvale, according to where Proasm stated it is, and where I saw it. I'm about 870m away [:D]. I get 19% signal where my pc is located, which is on the opposite side of the house facing the tower. If I move my modem to the right side, I get 30% [:)]

  5. #5

    Default

    Hmmm, apparantly i am 6000km's from sunnyside :P

  6. #6
    Senior Member
    Join Date
    Aug 2003
    Location
    Pretoria
    Posts
    405

    Default

    I think all numbers need to be positive

  7. #7

    Default

    I can't help I'm one of those people who believe "South" should be on the top of all maps.

  8. #8
    Super Grandmaster
    Join Date
    Oct 2003
    Location
    Stellenbosch
    Posts
    5,451

    Default

    ProAsm/Rodent,

    I was wondering if perhaps the modem gives one some sort of indication of the time lag between sending a signal and receiving an acknowledgement from the tower.

    Why I am asking, older GSM cell phones like (Nokia 51/61 series phones, also 6210), have on the (normally hidden) Netmonitor menu a value called "timing advance", which if multiplied by 550 meters gives you the distance to the tower (in steps of 550 meters). GSM also uses TDMA, and GSM also have a distance limitation (34.5km) usually, so my logic suggests the modem should have a similar parameter one can analyse/read.

    Ajax


  9. #9

    Default

    It would appear that the calculator ignores our hemisphere ;-)

    don't include the "-"minus sign in your values ;-)

    R

  10. #10

    Default

    Concerning time lapse....

    The Mcps value that one can retrieve is supposed to give a ratio from which a distance can be calculated but it doesn't seem to be correct at all.

    R

  11. #11

    Default

    Added Hyde Park;
    Added Randburg Metro;
    Added Randburg - Mintek (might be out by a few hundred meters)

  12. #12

    Default

    Darn if only the towers had a range of 17,5km i'd be covered...

    .:Theta:.
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  13. #13
    Senior Member
    Join Date
    Feb 2004
    Location
    Krugersdorp
    Posts
    279

    Default

    Helderkruin added (110). I had my capslock on so the name need to be corrected.

  14. #14

    Default

    nicroets could you possibly modify your site so it also shows the gps coordinates of the towers thay you have.

  15. #15

    Default

    * Fixed "hELDERKRUIN"
    * Added Deg.Minute.Seconds.partial seconds support
    * Displaying tower coordinates

    Have anyone had this problem :
    550 5.7.1 SPAM (spamcop): Mail from 66.18.69.6 refused see
    +http://spamcop.net/w3m?action=checkblock&ip=66.18.69.6

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