Callsign
Results 1 to 5 of 5

Thread: help with uhf antenna choice

ad: L-HROutlet
ad: l-assoc
ad: l-Waters
ad: l-gcopper
ad: l-rl
ad: l-tentec
ad: l-WarrenG
ad: l-innov
  1. #1
    Join Date
    Oct 2010
    Location
    So. California
    Posts
    202

    Question help with uhf antenna choice

    I am looking for a cheap inexpensive 1/4 or or higher NMO mobile 70cm amateur antenna.

  2. #2

    Post

    ANY of the advertisers, here on QRZ can sell you such an antenna.

    $10 buck item or less for a 1/4-wave NMO mount mobile antenna.
    Used antennas are often found in junk piles at auto body shops, junk yards, land mobile shops

    Alltronics sells a 900 MHz antenna that you can use a longer whip for 70 cm
    these can be found at their Santa Clara, CA store OR on eBay.
    Part number: 97A005
    http://www.alltronics.com/
    Last edited by W9GB; 04-05-2012 at 09:12 PM.
    Nullius in verba

  3. #3
    Join Date
    Oct 2010
    Location
    So. California
    Posts
    202

    Default

    Quote Originally Posted by W9GB View Post
    ANY of the advertisers, here on QRZ can sell you such an antenna.

    $10 buck item or less for a 1/4-wave NMO mount mobile antenna.
    Used antennas are often found in junk piles at auto body shops, junk yards, land mobile shops

    Alltronics sells a 900 MHz antenna that you can use a longer whip for 70 cm
    these can be found at their Santa Clara, CA store OR on eBay.
    Part number: 97A005
    http://www.alltronics.com/
    Hi, Greg. Thank you for the reply.
    what is the power rating on quarter wave uhf antenna ?

  4. #4

    Default

    At least 250 watts for most, probably more! The real limiting factor is the coax cable from the radio to the antenna. That can limit the power to around 100 to 150 watts if the cable is small enough. RG58/U can easily handle well over 100 watts.

    Glen, K9STH

  5. #5
    Join Date
    Oct 2010
    Location
    So. California
    Posts
    202

    Default

    Quote Originally Posted by K9STH View Post
    At least 250 watts for most, probably more! The real limiting factor is the coax cable from the radio to the antenna. That can limit the power to around 100 to 150 watts if the cable is small enough. RG58/U can easily handle well over 100 watts.

    Glen, K9STH
    Good. When I installed my two nmo mounts and so239 mount, I uses rg8x with double shieldeding. Foil&braid.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •