UHF antenna advice

Submitted: Wednesday, May 23, 2012 at 05:31
ThreadID: 95745 Views:4724 Replies:6 FollowUps:6
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Hi,

I am curious why some vehicles have more than one antenna. Sometimes up to 3. Are they linked to the same UHF to give greater range/cover or do people have loads of different accessories inside.

In older vehicles some are probably phone aerials but you see these setups on blue tooth enables more modern ones too.

Just curious really.
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Reply By: Wayne (NSW) - Wednesday, May 23, 2012 at 06:40

Wednesday, May 23, 2012 at 06:40
Zigdog,

I can't say for any one else but in my case I have 2 UHF radios running at the same time, one on scan and the other on a fixed channel.

I also have a HF antenna and a wireless antenna that is used as a height gauge for the top of the Troopie.

Wayne
AnswerID: 486521

Follow Up By: olcoolone - Wednesday, May 23, 2012 at 08:34

Wednesday, May 23, 2012 at 08:34
Wayne if the antenna your use for gauging height is "wireless", has no wire"" ..... how do you gauge the height if you can't see it?
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FollowupID: 761774

Follow Up By: Wayne (NSW) - Wednesday, May 23, 2012 at 10:44

Wednesday, May 23, 2012 at 10:44
olcoolone,

The wireless height gauge is an old CB antenna. It is mounted on the bull bar in front of the driver. It was just the right height to act as a gauge. If it clears any low objects such as tree branches, bridges and car parks, the Troopie with the gas bottles mounted on the roof rack will pass under the object.

I can see the top of the antenna from the drivers seat.


Image Could Not Be Found



Wayne


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Follow Up By: olcoolone - Wednesday, May 23, 2012 at 11:54

Wednesday, May 23, 2012 at 11:54
Sorry I don't think you got it.... if it's wireless it has no wire! JOKE....
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FollowupID: 761802

Reply By: Whirlwinder - Wednesday, May 23, 2012 at 07:16

Wednesday, May 23, 2012 at 07:16
Hi Zigdog,
I have 3. A 6db Desert stick for outback travel to increase range. A 3db spring base ground plane independent mounted on the side of the roof basket and 1 mounting in the centre of the roof for the 3db when I leave the basket off. I have a selector switch to change from the 6db on the bull bar to either of the others. Simple.
AnswerID: 486523

Reply By: snapper49 - Wednesday, May 23, 2012 at 08:26

Wednesday, May 23, 2012 at 08:26
I have 2 ariels
One for UHF and other for 3g mobile doubles the range from a tower
AnswerID: 486530

Reply By: olcoolone - Wednesday, May 23, 2012 at 08:29

Wednesday, May 23, 2012 at 08:29
On the front bar of out 200 series we have an Iridium satellite phone antenna, on the roof rack on one side we have a 8dB Next G antenna for our Next G modem, on the other side a 6.5dB UHF antenna and on the spare wheel carrier at the back a Codan 9350 Auto tune antenna for or HF radio (yes ACMA we are licensed!).

Bluetooth has nothing to do with external antennas, bluetooth is a data transfer protocol enabling one peripheral to communicate wirelessly with another peripheral (mobile phone to in car phone kit or wireless GPS mouse to laptop).

In some applications an external antenna is used for Bluetooth but more in a commercial environment like a hospital or large office, Bluetooth has a average range of 10 to 15 meters.

Have seen antennas on vehicles for a wireless network (Wi-Fi, WLAN, WiIMAX) giving a range of about 2 kilometres or more.
AnswerID: 486531

Follow Up By: 361 - Thursday, May 24, 2012 at 15:30

Thursday, May 24, 2012 at 15:30
Hi,

What make is the 8dbi antenna and how tall is it??
To be 8 DBI it must be 1.8m or 6 feet tall
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FollowupID: 761918

Reply By: PJR (NSW) - Wednesday, May 23, 2012 at 09:32

Wednesday, May 23, 2012 at 09:32
As well as those mentioned above there are business/work VHF or UHF ones on private work networks, HF CB ones(yep some still around), high gain AM/FM radio antennas, amateur radio setups (lots of different types here) and even antennas to hold up the old fox tail flag.

Found on another site:
Would definitely have to call mine a porcupine.

3 scanners w/ antenna for each
1 2-meter w/antenna
1 dual band (2m 70cm) w /antenna
1 cell phone booster
1 wifi booster
1 VHF (police band)
1 cb
1 am/fm radio
4 T.V (dual phased rabbit ear ) but they stay down until needed.

I thought about combining scanner antennas but it can screw up reception.

AnswerID: 486537

Follow Up By: PJR (NSW) - Wednesday, May 23, 2012 at 09:39

Wednesday, May 23, 2012 at 09:39
What the?????




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Follow Up By: Member - Lachy T - Wednesday, May 23, 2012 at 17:56

Wednesday, May 23, 2012 at 17:56
My favourite saying:

Overkill is underrated!!!

I think that sums it up. :)
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FollowupID: 761827

Reply By: Wilko (Parkes NSW) - Wednesday, May 23, 2012 at 22:14

Wednesday, May 23, 2012 at 22:14
Hi Zig dog,

Some BnS guys have some which arent attached, Its for looks. Not my thing when I was doing the BnS scene but least their got spares ; ).

Ive had 4 aerials on my old Rodeo. A UHF, a CB (am set), Mobile phone, and an upgraded AM/FM aerial.

Cheers Wilko
AnswerID: 486607

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