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new ariel opinions please; new ariel
Topic Started: Wednesday, 30. September 2009, 10:58 (1,270 Views)
SnakeMan2008
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26 Charlie Tango 129

as some of you know i am at a disadvantage that if my cb ariel is longer than 1 meeter i need planning permission :@ :@ and i was told a dipole woould be a good idea i have now orderd
A G5RV HALF SIZE 40-10m FLEXWEAVE DOUBLET DIPOLE
what do you guys think of it i have seen mixed reviews about it on net so was wondering what you guys thought about it for an areal for limited budget and space it will have to be used as an inverted triangle due to lack of space
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VoG
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A G5RV will work well for you, almost certainly better than one of the "shortie" Homebase things when you;re DXing.

BUT (there's always a "but") most CB signals are from vertical aerials and vertical-to-vertical is the most efficient way to receive, especially local/groundwave signals. For DX and skip the G5RV will probably do you proud but, personally, I'd invest in an antenna switch and keep both antennae so you can flick from one to the other to see which is giving the best signal in any one case.

A half-size G5RV is still a fairly monsterous beast, size-wise... (fifty foot plus). Do you really need to be able to cover 10m to 40m?

Else a dedicated specific 11m/CB quarter-wave dipole would probably perform nearly as well and be a lot easier to handle. A "nine up , nine down" wire dipole really is a Classic CB antenna.

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SnakeMan2008
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26 Charlie Tango 129

ok this arived today i see what you mean by its a beast my problem now is the swr on this thing is all the way into the red 5 is the best i can get it down to any advice on what could be causing it and a possible cure i have tryed it as an inverted v and horizontal and vertical :( please help :blink:
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You've just bought an antenna designed for "Amateur" bands ......not CB bands.Even on Ham bands you need a tuner as it's a multi-band antenna not "Resonant" for one band like a cut Di_pole.My first antenna on 11 meters 30 years ago was a "Home Brew" vertical Di-pole.........12 foot wooden baton.......8 foot "Bamboo" fixed to top of it ............two 8ft lengths of copper conduet waterpipe cable tied one at top/one at bottom.........flaten one end of each pipe and drill holes for bolt to afix ring teminals..........length of mini 8 coax ...one PL259 plug.. a cheap antenna that was as good as my dads Genuine Hy-gain Silver Rod............theres even a Di-pole lenght converter on line to give you the right length for the Frequency...........plus you can disguise it a bit.to mingle in with your local ..........anti radio " gardens...LOL :whistle:
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VoG
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As Oggy has said, the G5RV is a multi-band that covers a whole lot of amateur bands as well as 11 meters / CB frequencies - Hence the "40m - 10m" claim in the aerial's title. CB is 11m so it does fit within the aerial's capability, but will need a tuner to get the SWR down.

You might get away with using a dedicated "CB Band" tuner on it, and they're pretty cheap on Ebay. E.g. item number 280404648572... I don't know how well a little CB type tuner would handle a G5RV, but for 99p + postage, maybe it's worth a try. A "Proper" Amateur / Ham type tuner is going to cost at least £50 - £75, and probably over £100 and it'd be a total waste of money to buy something that can tune from 160m to 10m and then just use it for 11m only.

In your position, I'd either try a cheap CB Antenna Tuner/Matcher on that G5RV or, better still, I'd make up a simple 11m wire dipole - there's even a thread about how to make a CB Dipole on this forum. Take a look under "Guides & How To's" at the top of the forum list.
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Ok Steve your right it does just fall in the coverage..........I have a full size one up modded to run on 300 OHM flat line cable.I use a Linear Amp supertuner on it but I run a Yaesue FT1000D and a Drake L75 linear that will make KW.I only use it on 80 meters/40meters.In my opion I think like you say a cut Di-pole would be far better (No tuner needed for a start!).The big problem is it works Horizontal and most 11 meter guys run vertical.I personaly think a diguised vertical dipole would be a far better way of working 11 meters.I always have a "Boxed" Jo-gunn and a Maco vertical/horizontal Comet Yagi in my garage ...........never used them but the Yanks say they "Kick Ass!!!!"
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SnakeMan2008
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26 Charlie Tango 129

ok just orderd a 9 up 9 down center fed dipole ebay item number 350245214683 :)
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Offplanet
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26 Charlie Tango 104

Same as the one I used - looks like this when it's up:

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It'll work a lot better than your Bazooka - might need some adjustment to get the SWR spot-on though, but it'll not be too far off.

Mine worked fine without one, but sometimes adding an RF choke to these is a good idea (prevents the coax cable acting as part of the antenna which will give you TVI, performance and SWR issues) - see this thread http://charlietango.co.uk/index.php?showtopic=41

Cheers
Gary
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Glad you took it on board........OK antennas like Imaxs and my 5/8 wave Shakespheare are better..........but these work great when anti radio "Joeys" are involved.The best vertical we had up here was in 1983 a 7/8 wave Ham International Big Mac.........can any member remember these beasts........we had it on a 15 ft scaff pole on the house gable end........shame it went......it "Kicked Arse!!!".Good luck with the Di-pole is it a Sirio one??
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SnakeMan2008
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26 Charlie Tango 129

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?Vie...e=STRK:MEWNX:IT

this is the one i have orderd not sure of the make just it says its tuned to 27mhz appart from that im not sure of anything else abbout it but i thought it was quite cheap :s
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Offplanet
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26 Charlie Tango 104

Identical to mine - like it says in the ad, it'll bust if you live in a windy area. I strengthened mine with a fibreglass rod and it did me well.

Out of the box, it's tuned for the Mid block (EU/CEPT) and I did have to shorten it a bit to get it spot on for the UK block.

Cheers
Gary
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VoG
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Good choice... That "9 up 9 down" should do you proud on the CB Bands.

Suggest you maybe paint it green and swear to the "if ariel is longer than 1 meeter i need planning permission" people that it's a remarkably straight Ivy Vine. :D
Or paint it light brown and claim it's a bamboo support for the peas you're going to grow next year. :lol:
Or, you could always put a large plastic flower-head on the top and swear it is the Biggest Sunflower you ever did see ;) :rolleyes:


Good luck with it. :prey:


I'm a bit curious though, about the "over 1 metre needs planning permission". That's not general "law", so I'm guessing it's something to do with the actual place you live? Is it a block of flats/apartments, or a Listed Property or something? The reason I ask is that sometimes people will say stupid stuff like, "Oh you'll need planning permission from the Council if it's over one metre in length" just becuase they want to be difficult, or they're just anti-radio twits, even though it's complete tosh. :doh:

So, will we see a "Half size G5RV" for sale cheap in the Market Place section soon? :whistle:

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SnakeMan2008
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26 Charlie Tango 129

Quote:
 
suggest you maybe paint it green and swear to the "if ariel is longer than 1 meeter i need planning permission" people that it's a remarkably straight Ivy Vine.  :D
Or paint it light brown and claim it's a bamboo support for the peas you're going to grow next year.  :lol:
Or, you could always put a large plastic flower-head on the top and swear it is the Biggest Sunflower you ever did see ;)

had a giggle at this :)

Quote:
 
I'm a bit curious though, about the "over 1 metre needs planning permission". That's not general "law", so I'm guessing it's something to do with the actual place you live? Is it a block of flats/apartments, or a Listed Property or something?  The reason I ask is that sometimes people will say stupid stuff like, "Oh you'll need planning permission from the Council if it's over one metre in length" just becuase they want to be difficult, or they're just anti-radio twits, even though it's complete tosh.  :doh:


nope i dont live in flats or registerd building just a normal house in a abnormal village with an abnormal council from what i can work out they are just money grabbing anti radio gits that saw an opotunity to make more cahs out of us radio users

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So, will we see a "Half size G5RV" for sale cheap in the Market Place section soon?  :whistle:


mmm i already choped it down to try and tune it in its now 16 ft it tottal and still needs a tuner lmao ahh well
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