UHF Antennas

Submitted: Thursday, Apr 08, 2004 at 16:10
ThreadID: 11929 Views:2815 Replies:6 FollowUps:7
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Hi All, I'm looking at getting a GMEtx4400 with an GMEAE409L Antenna (this is the 6/9db changable antenna). Looking at this antenna it seems to be very whippy could this cause probs with rx/tx in ruff terrain (spelling?) in 6db mode, I know it could possibly cause probs while setup as 9db due to the radiating pattern. Has any one got any experience with these antennas good or bad ?
Yes I know I'll probably be too busy holding on to be bothered using the radio..;)

Anyone know of any good deals around Bris for GME units at the moment?
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Reply By: Member -Bob & Lex (Sydney) - Thursday, Apr 08, 2004 at 16:48

Thursday, Apr 08, 2004 at 16:48
As to yuor 1st Q , It should not be a problem

As to 2nd Q no idea. If Bias boating have a store in Brisy check them out as I have found them cheap on a few things for the 4by.
AnswerID: 53703

Follow Up By: DiesAl - Thursday, Apr 08, 2004 at 17:07

Thursday, Apr 08, 2004 at 17:07
Thanks Bob, I've just looked up Bias Boating on the White pages they have a store at Tingalpa I'll have to give them a ring.
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Reply By: Member - Raymond - Thursday, Apr 08, 2004 at 17:01

Thursday, Apr 08, 2004 at 17:01
Hi DiesAL
The antenna should be fine. The following link is excellent on the GME antennas and their uses
link text
The 9DB is excellent for desert and outback
The 6DB is a comprimise, desert and hilly country
The 3DB is excellent in high country
Ray
AnswerID: 53708

Follow Up By: DiesAl - Thursday, Apr 08, 2004 at 17:15

Thursday, Apr 08, 2004 at 17:15
Thanks Ray, yes good link gives me a basic rundown on things but I also find that peoples experience is invaluable in these things after all there the ones out n bout using the gear.

Have a Happy Easter and safe travels

Al
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Reply By: Bob Y. - Qld - Thursday, Apr 08, 2004 at 19:58

Thursday, Apr 08, 2004 at 19:58
DA,

Put one of these on our Tojo, as it screws straight onto 4700 series base. From past experience knew they worked well. However after only 12-18 months the top section(of 9dB section) had broken off.

In all fairness, we have almost 200 clicks of dirt road to go to town, and the corrugations are often enough to rival the Cape. In a situation where most of work was on bitumen, go for it.

Try Prestige Communications.

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AnswerID: 53725

Follow Up By: DiesAl - Thursday, Apr 08, 2004 at 21:11

Thursday, Apr 08, 2004 at 21:11
Thnaks Bob, yes it's hard to beat Prestige might get a price from them and see if someone local will match it less delivery of course...;)

Have a Happy and Safe Easter
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Follow Up By: Bob Y. - Qld - Friday, Apr 09, 2004 at 09:01

Friday, Apr 09, 2004 at 09:01
DA,
Another aerial worthy of mention is the POLAR extended gain 6dB. We used these some time back, and found them very good, with good performance, for their size. Think they are about the same price as AE409.

Similar aerials made by other manufacturers are available, they all have inbuilt spring. Thanks, Happy Easter to you too.

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Reply By: Bryan - Sunday, Apr 11, 2004 at 22:17

Sunday, Apr 11, 2004 at 22:17
I have had that antenna previously and found it waved around alot due to the stainless steel rod being so thin, and when the extra section is added, is waves around everywhere and gets the shakes alot during highway and offroad use.. not sure how long before metal fatigue sets in.. I did like the fold down feature and was ideal when mounted on the gutter and the antenna needed to be folded down to get under something..
I bought the belkin 6/9db antenna from prestige comms in Perth, this is a similar design, but the stainless steel used is ALOT thicker. The coil is alot the same guage stainless steel, and when used in the 6db length its a very solid antenna that doesnt wave and wobble around at highway speeds or off road, with the extra section added, it does develop some wobble and waving doe to the weight of the extra section added.. it doesnt wave around anywhere near as bad as the GME one.
When I replace the Belkin antenna, I will buy a solid 9db fibre glass antenna on a heavey duty spring base. This ensures the antenna goes well above the hight of the car to inprove tx/rx performance as UHF is line-of-sight technology due to the freq range in use and modulation used (FM) and the car body acts as a large metal shield which effects the range of the signal behind the car.. This is the same for ground-plane dependant and independant antenna's. Graound-plane independant antennas are the ones to go for.
hope this helps
regards
Bryan
AnswerID: 53908

Follow Up By: DiesAl - Tuesday, Apr 13, 2004 at 10:39

Tuesday, Apr 13, 2004 at 10:39
Thanks Bryan, did you ever have any probs with tx/rx using the GME and do you know if the Belkin was similar in price.
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FollowupID: 315647

Reply By: Bryan - Tuesday, Apr 13, 2004 at 11:12

Tuesday, Apr 13, 2004 at 11:12
Hi DiesAL,
I never had any problems with tx/rx performance with the GME antenna (they are very good antenna's), and from memory the Belkin antenna was approx the same price.

regards
Bryan
AnswerID: 54005

Follow Up By: DiesAl - Wednesday, Apr 14, 2004 at 12:29

Wednesday, Apr 14, 2004 at 12:29
Thanks Mate
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Reply By: Bryan - Thursday, Apr 15, 2004 at 10:44

Thursday, Apr 15, 2004 at 10:44
DiesAL,
My UHF antenna is not the Belkin (sorry thats another anetenna I realised as I put it on for a fishing trip)..
The UHF antenna is Benelec, model 02629. All other previous blurb is correct, was just wrong brand..

If you want to see the antenna on the car to see what it looks like, email me at ccie3106@iinet.net.au and I will email back my personal web site url.

sorry for any confusion
regards
Bryan
AnswerID: 54338

Follow Up By: DiesAl - Thursday, Apr 15, 2004 at 11:09

Thursday, Apr 15, 2004 at 11:09
Fishin' trip.....Half ya' luck. I'll drop you a line soon.
Thanks for the update
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