Any hints/tips on antenna mounting? I've got a S/S gutter mount and plan to place the bottom lip of this beween the roof rail and the inside lip of the expo rack. Will I be able to get a reliable ground plane this way, or will I need to start getting inventive?I know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.
5th Sep 2007 9:34 pm
mick
Member Since: 21 Jan 2007
Location: Yorkshire
Posts: 2049
get some 1"x1/4 flat bar weld a bolt in one piece this slides in the roof rails 2 holes in the other piece 1 for the arial the other clamps onto the roofrail with a wing nut .job done
Just bolt onto the expo rack, you can use the t-track for ease don't worry about the groundplane for CB, the rack will be more than adequate
here is a simple way to do it
Click image to enlarge
Click image to enlarge
equally easy as using the roof rails....simple bolt and big washers......jobs a goodun 2007 HSE Java Black.....sold
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Last edited by Doctor Diesel on 5th Sep 2007 9:52 pm. Edited 1 time in total
5th Sep 2007 9:51 pm
DG Site Moderator
Member Since: 12 Dec 2005
Location: The Gaff
Posts: 50978
I have a similer mount in one of the expo rack rails ND...works fine 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021
As the roof rail is powder-coated/painted, will I not still need to scrape of some of the finish to get a ground off that?
Seems such a long time ago, when I bolted an antenna to my 1979 VW Polo.... I know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.
Blimey, my typing is slow tonight. DG managed to post that while I pondered the paint question. Cool, thanks all for your speedy assistance!
AlI know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.
5th Sep 2007 9:57 pm
mick
Member Since: 21 Jan 2007
Location: Yorkshire
Posts: 2049
NO
5th Sep 2007 9:58 pm
10forcash
Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534
forget the gutter mount, a flat plate with an M12 x 20 coach bolt in the roof rail will do it. fix the antenna mount to that over the rear of the panel joining trim. the coax screen provides an earh connection and with a base loaded coil you don't need a huge ground plane
5th Sep 2007 10:01 pm
DG Site Moderator
Member Since: 12 Dec 2005
Location: The Gaff
Posts: 50978
ISTR that I had to replace the quick release plastic thingy with a M10 nut and bolt because my pre-soldered PL259 plug wouldn't fit properly with it in place 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021
5th Sep 2007 10:03 pm
n1cktdv6
Member Since: 20 Mar 2007
Location: Warrington
Posts: 1161
Mine is on with a mag - seems to do the trickD4 HSE....Probably, but not quite decided yet.
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I figured it would be useful when offroading in groups (and I got it at a decent price thanks to NonStickNick ). More chance of groups staying in touch as they are spread out over Salisbury Plain or all over Leics, Derbs, Northants etc on a Nav Event than with PMR. A 2M setup is overkill for what I need it for.I know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.
forget the gutter mount, a flat plate with an M12 x 20 coach bolt in the roof rail will do it. fix the antenna mount to that over the rear of the panel joining trim.
Me thinks you could make a few quid manufacturing and selling said mounts Mr L The End
Got the antenna mounted ok, then stuck the SWR meter on it. 10! Bloomin' 10! Multimeter was showing intermittent continuity across the mount end so stripped the mount down, found corrosion everywhere so got busy with the steel wool, reassembled it and SWR was coming up at 3.2
So off comes the antenna, nibbling away at it with bolt croppers 1/4" at a time and I finally get it down to 1.1 - 1.3 across channels 1-40, with channel 20 showing 1.2
Now the bad bit. When I picked up the gear from Non Stick Nick we quickly mounted everything up and did a quick test transmission to the cb in his car.... at what must have been an SWR of 10. So I'm guessing the transmitter circuit is likely to be fried I know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.
Transistors on the broadcast circuit are fine; left the rig in the car today and when I got into "civilisation" had a very brief chat with some drag-crazed nutter in Poole as I passed through the town.
Still think I need to work on the SWR as range and quality were rubbish (about 2 miles when on high ground driving towards the transmitter with him offset to my right, which corresponds with the ground plane as the antenna is mounted rear left). It dropped to around half a mile once I'd passed the transmitter. I'm guessing I should set infinity so it bounces off the end stop rather than the needle hovering on the infinity marker on the meterI know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.
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and plan to place the bottom lip of this beween the roof rail and the inside lip of the expo rack. Will I be able to get a reliable ground plane this way, or will I need to start getting inventive?
