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Radio Equipment Installation Forum Forum for discussing how to install radio communications equipment in Mobile, Base, Command Post, EOC, etc configurations.

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Old 02-24-2008, 10:14 AM
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Default Install NMO Antenna

Okay have a question about Nmo mounts? I have done some looking in Google but I am not finding what I am looking for. I have a Tri-Band Larsen antenna and a nmo with cable and pl-259 I have made my own truck lip mount but I think I may have made a mistake on the nmo. The nmo screws into the antenna but am I suppose to have some kind of washer for the other side of the mount? This is what I see, antenna,mount,nmo. So I guess what I am asking is what keeps it from coming through? I believe I am missing something, this is my first time dealing with these kinds of mounts.
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Old 02-24-2008, 10:50 AM
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Default Lock nut missing?

Quote:
Originally Posted by pawsrock
Okay have a question about Nmo mounts? I have done some looking in Google but I am not finding what I am looking for. I have a Tri-Band Larsen antenna and a nmo with cable and pl-259 I have made my own truck lip mount but I think I may have made a mistake on the nmo. The nmo screws into the antenna but am I suppose to have some kind of washer for the other side of the mount? This is what I see, antenna,mount,nmo. So I guess what I am asking is what keeps it from coming through? I believe I am missing something, this is my first time dealing with these kinds of mounts.
Thanks
Ron Fone
www.flamesandfur.com
Below is what you SHOULD have with your NMO mount....See the photo...If you don't have the nut to tighten the mount (the piece that sticks up through the hole) it won't stay on!!!!

The bottom of the NMO (with coax attached) just does fit up through the hole in your bracket (if you drilled it correctly - there are two "ears" on the coax piect that keep it from going up through the hole). Once slid up through, you put the rubber gasket on (there is a cutout for it, you'll see it) then, you thread the large nut down and tighten it. This will keep the coax, antenna asmbly from moving around. At this point, you will see the threads to simply screw on your antenna. You're done! Just don't pinch your coax when you clost the hood!

One question....You said the antenna screws on OK, right? That would mean to me that your locking nut is IN your antenna base or it wouldn't do that!!!!

Hope this helps! Let me know back if you get it straightened out if you would!

Steve/KB8FAR
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Last edited by SLWilson; 02-24-2008 at 11:01 AM..
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Old 02-24-2008, 10:57 AM
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Default

In addition to what SLWilson posted the hole size the nmo gets mounted in should be a 3/4 inch hole. I thought I would add that since you said you made your own trunk lip mount.
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Old 02-24-2008, 11:34 AM
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Default Thanks

The picture is just what I was looking for. After looking at my nmo I now see the locking nut and all the other hardware. When I was looking at it before, it look like one whole piece. When I get everything installed I will post a picture of my setup to the list. I am going to place a GRE PSR-500 in my 05 Tacoma, so now the only thing left is to clean up my mount and install it and my wire for the antenna.
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Ron Fone
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Old 02-25-2008, 06:59 AM
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Default Great !

Quote:
Originally Posted by pawsrock
The picture is just what I was looking for. After looking at my nmo I now see the locking nut and all the other hardware. When I was looking at it before, it look like one whole piece. When I get everything installed I will post a picture of my setup to the list. I am going to place a GRE PSR-500 in my 05 Tacoma, so now the only thing left is to clean up my mount and install it and my wire for the antenna.
Thanks
Ron Fone
www.flamesandfur.com
Good Luck!!! We'll wait to see the pictures!!!
Steve/KB8FAR
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