The one Antenna to rule them all

Bigfella78 · Post by **Bigfella78** » Tue Nov 03, 2009 10:50 am

Ok the ruling party (WIFE) has said I can put one more antenna on the roof..

I don't even know if this is possible but I'd like to use one antenna to:

Use my Scanner, CB, and make an access point for my wifi network...

Any suggestions?

Post by **vk6hgr** » Tue Nov 03, 2009 1:14 pm

Bigfella78 wrote: Use my Scanner, CB, and make an access point for my wifi network...

You'll need at least two antennas for that...

Bigfella78 · Post by **Bigfella78** » Tue Nov 03, 2009 2:24 pm

vk6hgr wrote:You'll need at least two antennas for that...

Yeah I thought so.. a different one for the wifi.. I wonder if I can make it look like one..

Post by **robbage** » Tue Nov 03, 2009 4:34 pm

Why do you need the Wifi on the roof?

Post by **VK6ZMS** » Tue Nov 03, 2009 10:55 pm

So we can get free internets

What band CB do you use ?

Bigfella78 · Post by **Bigfella78** » Wed Nov 04, 2009 10:35 am

VK6ZMS wrote:So we can get free internets

Yup and cause I can..

Just 40 ch UHF.

Post by **Tyranus** » Wed Nov 04, 2009 11:33 am

so reasoning for UHF is to keep you out of trouble
reasoning for WiFi free interweb which saves the money

she's gotta buy that...??

Bigfella78 · Post by **Bigfella78** » Wed Nov 04, 2009 1:01 pm

Tyranus wrote:so reasoning for UHF is to keep you out of trouble
reasoning for WiFi free interweb which saves the money she's gotta buy that...??

"But more than one antenna on the roof will look ugly.."

I've got the TV aerial on the old foxtel pole that is bolted to the side of the house and it pops out through the roof. I was thinking of running a mast along side it and having the antenna about 2 metres above roof height. Should give me pretty good signal for the area.

I have a steel frame roof and it cause's issues with radio tramissions.. Even the baby monitor has issues..

Bigfella78 · Post by **Bigfella78** » Thu Nov 05, 2009 12:05 pm

Ok next stupid question.. Can the Antenna for the scanner share the cable with the TV antenna? I already have a TV point near when I'm going to set up the scanner? or would it be better to avoid interference and install new cable?

The one I was thinking off was this one.. Thoughts?
http://www.prestigecom.net.au/index.php ... ts_id=1897

Fastlane · Post by **Fastlane** » Thu Nov 05, 2009 1:20 pm

Bigfella78 wrote:Ok next stupid question.. Can the Antenna for the scanner share the cable with the TV antenna? I already have a TV point near when I'm going to set up the scanner? or would it be better to avoid interference and install new cable?

The one I was thinking off was this one.. Thoughts?
http://www.prestigecom.net.au/index.php ... ts_id=1897

different impedence, so no..

Bigfella78 · Post by **Bigfella78** » Thu Nov 05, 2009 2:17 pm

on the cable?

Post by **Tyranus** » Thu Nov 05, 2009 2:36 pm

In the whole system really. Impedance of TV coax and assosciated peripherals are 75 ohms. Where as all radio's and scanners that I've seen are 50 ohms.

Post by **VK6ZMS** » Thu Nov 05, 2009 3:15 pm

It wont make a lot of difference for a RX only unit.
But yeah run a separate cable to avoid RF noise etc from the telly.
That discone will work with UHF CB into repeaters that you have line of sight to but if you want to work simplex over a distance it wont have any gain.

Post by **robbage** » Thu Nov 05, 2009 4:17 pm

TV antenna works ok except remember it's horizontal so you will lose most of the signal from anyone transmitting with a vertical. (ie most fixed and mobile)

Bigfella78 · Post by **Bigfella78** » Mon Nov 09, 2009 9:13 am

robbage wrote:TV antenna works ok except remember it's horizontal so you will lose most of the signal from anyone transmitting with a vertical. (ie most fixed and mobile)

So I read.. I was thinking of installing another antenna and using the same cables as the TV antenna. But I think I'll install a new cable. They will be on the same pole. Given up on the wifi idea.. for now.. So Scanner and UHF CB on one antenna will work..

WA Radio Scanner Users' Group

The one Antenna to rule them all

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