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OK, Why would a cheap magnet mount/antenna work...

O

otisoil

Guest
#1 --- the mag mount usually cost more, than the typical roof mount.

Question: What are the values you are reading on both setups? This will better help determind what the problem is. If the SWR is super high on the roof mount, I would have to guestimate, improper install.

Its hard to mess up on a magmount install.

Hope this was helpful




</p>
 

#1 --- the mag mount usually cost more, than the typical roof mount.

Question: What are the values you are reading on both setups? This will better help determind what the problem is. If the SWR is super high on the roof mount, I would have to guestimate, improper install.

Its hard to mess up on a magmount install.

Hope this was helpful




</p>
 
Shvlhead

Some interesting information on grounding can be found here.

www.k2bj.com/Ground.htm


Main</p>Edited by: <A HREF=http://pub86.ezboard.com/bworldwidecbradioclub.showLocalUserPublicProfile?login=main>main</A> 
usflag2.gif
at: 7/4/02 6:10:52 am
 
Shvlhead

Some interesting information on grounding can be found here.

www.k2bj.com/Ground.htm


Main</p>Edited by: <A HREF=http://pub86.ezboard.com/bworldwidecbradioclub.showLocalUserPublicProfile?login=main>main</A> 
usflag2.gif
at: 7/4/02 6:10:52 am
 
but the expensive through the roof mount and antenna give me all that swr?



Do I need to ground the mount or antenna (it's through the sheetmetal roof)? Why would the mag antenna give me such good numbers and the expensive set up works for crap?



Whine.......


</p>
 
but the expensive through the roof mount and antenna give me all that swr?



Do I need to ground the mount or antenna (it's through the sheetmetal roof)? Why would the mag antenna give me such good numbers and the expensive set up works for crap?



Whine.......


</p>
 

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  • @ Jim5570091:
    Antenna length on my mobile. So I’ve had 3 different radios in my truck. 2006 f250 super duty. 29ltd NW, 29 ltd clasic, and now a galaxy DX44HP. My steel whip is somewhere around 89”. Which I know is way to short. But show 1.2 SWR on all 3 radios. And I have a a bench SWR meter that shows the same results. Which I find odd and disturbing. Note the frequency is 27.205. The longer I make the whip the higher the SWR. At 102” it’s up around 2.5. Which totally blows any of my experience i have with mobile radio antennas. I have the antenna mounted to a post just higher than the cab. I’ve swapped the jump through several to different ones. Even tried lug and so239. Connections at the antenna. Seems to transmit well and receives well. Any ideas how this could be possible?
  • @ Jim5570091:
    Turns out I was missing the ground to the cab. Problem solved. Now have 102” exact and 1.2 SWR 26.005 megahertz through 28.005 megahertz. Pictures posted on my profile.
  • @ BJ radionut:
    Blackout...Storm???