UHF arial question

Submitted: Friday, Jan 28, 2005 at 10:38
ThreadID: 19854 Views:1649 Replies:4 FollowUps:5
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Hi Guys,

Thought I was set having purchased a new 9db gain job for my UHF - no more getting lost in convoy conversations. After reading the contents of 19589 I now realise that they all serve different purposes - it is not just simply big is best. Can't go to the bride and tell her I need stuffed up, so was wondering is it possible to hook up more than 1 arial to the UHF? Would seem really usefull to be able to do this for distance and close proximity applications!

So can it be done? Or am I stuck taking and changing arials on an trip?

Kind regards
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Reply By: Leroy - Friday, Jan 28, 2005 at 10:43

Friday, Jan 28, 2005 at 10:43
You can't hook up 2 aerials at the same time. You can however purchase one that has an extension you remove to make the aerial either 6db or 9db.
What sort of terain do you mostly travel. If you are in the vic high country for example a 6db would be better but if it's not as hilly you may find the 9db to be ok.
I personally have a 6db Polar and have found this to be a good all-rounder.

Leroy
AnswerID: 95354

Follow Up By: beatit - Friday, Jan 28, 2005 at 10:48

Friday, Jan 28, 2005 at 10:48
Thanks Leroy,

Have a 3 month trip planned taking in all types of terain, was just trying to have it all ways.

Kind regards
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Reply By: Bob Y. - Qld - Friday, Jan 28, 2005 at 11:03

Friday, Jan 28, 2005 at 11:03
beatit,

You can hook 2 aerials together, but you need a co-ax switch, to do so. Get them at DSE or UHF places. Just a matter of switching between each aerial as the terrain changes.

The Polar that Leroy has are hard to beat on a performance/cost basis. We don't use them anymore, but that is not because they are no good. We found them very good.

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AnswerID: 95359

Follow Up By: Member - Roachie (SA) - Friday, Jan 28, 2005 at 11:41

Friday, Jan 28, 2005 at 11:41
G'day Beatit and Bob,

Mate, I have one of those DS splitters like Bob is talking about. It has one cable inlet and 3 cable outlets; so you can have 3 different aerials hooked up if you like and just switch between them.

As I do not use it, you would be welcome to it for $10- (to cover postage etc). Just let me know.

Cheers,
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Follow Up By: beatit - Friday, Jan 28, 2005 at 12:11

Friday, Jan 28, 2005 at 12:11
G'day Roachie,

I just got back from friendly DSE with one in hand. A bit quick off the mark hey, cost me $20. Well that's life, thanks all the same though.

Kind regards
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FollowupID: 354117

Follow Up By: hl - Friday, Jan 28, 2005 at 21:09

Friday, Jan 28, 2005 at 21:09
Hi,

A $20.00 antenna switch won't be much chop on UHF.... it will loose more than 6dB!!! So you might as well have just one antenna.

Cheers
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FollowupID: 354186

Follow Up By: Bob Y. - Qld - Saturday, Jan 29, 2005 at 08:32

Saturday, Jan 29, 2005 at 08:32
Beatit,

Agree with hl, you would need a co-ax switch of some quality, say a Revex. There is a another brand too, but name escapes me. They have insertion loss of only 0.1 dB.

Notice DSE doesn't have any of that specialist gear in latest catalogue. Must be less interest these days.

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Reply By: Member - Ray C (QLD) - Saturday, Jan 29, 2005 at 14:13

Saturday, Jan 29, 2005 at 14:13
If you can afford it something like the CX210 from Andrews Communications if you want a good one. Remember connecting anything in series with your antennae will introduce some insertion loss. Generally the cheaper the switch the higher this loss is.

http://www.andrewscom.com.au/site-section-08.htm
AnswerID: 95523

Reply By: BenSpoon - Saturday, Jan 29, 2005 at 16:11

Saturday, Jan 29, 2005 at 16:11
Might be worth investigating the switches to allow your FM radio to hook up to the aerial too while your at it and if you have a spare aerial sitting up top.
AnswerID: 95534

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