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Mobile Antenna
Topic Started: Monday, 12. October 2015, 11:05 (733 Views)
steve67
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26 Charlie Tango 1864

Newbie question

which mag mount/antenna do you recommend to use with a CRE8900 ?
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26PS001
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26 Charlie Tango 1523

There will be lots of replies for this question but here goes. I have seen no evidence to suggest the expensive mega watt antennas etc are any better than the cheapy ones.

Ive used lots of different ones over the years being a taxi driver they get some stick. The red devils, modulator types all work at a reasonable price bt eventually they have let me down, the one that I have used for years and some say they are rubbish is the large springer, it just works its as simple as that. When Im mobile talking with all my taxi colleagues as well as a few homebase guys everyone hears me as well as the rest with other antennas, I get no problems making the journey and DX when at work with this antenna when the skip flows. Ive been across USA, Cananda without a problem.

The antenna is cheap, robust and is indestructible. As for the magmounts I find a elephant foot magmount to be good enough although I use a tri-mag as I also dx on other bands low down and I find a larger magmount is needed, we think its the bigger earth that works but not 100% sure.

These are the antennas and magmounts http://www.ebay.co.uk/itm/Long-Springer-Tornado-Stinger-CB-Antenna-7-Turbo-Magnetic-Mount-CB-Aerial-/221151501913?hash=item337da81e59

Other antennas .......
Red devil http://www.ebay.co.uk/itm/Sigma-Red-Devil-Wide-band-coverage-long-base-CB-anntenna-Omni-Directional-/221295860698?hash=item338642dbda

Modulator http://www.ebay.co.uk/itm/Sigma-Modulator-Style-Bullwhip-CB-antenna-aerial-Omni-Directional-/321325626687?hash=item4ad07ff53f

Then the price goes up with megawatt antennas etc http://www.ebay.co.uk/itm/Sirio-Megawatt-4000-PL-Mobile-CB-HAM-Radio-Antenna-/281528583917?hash=item418c6946ed

If your parked up and want to try to get further you can try a Tank whip http://www.ebay.co.uk/itm/1-4-Wave9-Foot-Stainless-Steel-2-Part-CB-TANK-WHIP-ANTENNA-Omni-Directional-/221224777886?hash=item338206389e

Hope this helps
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Charlie Tango member 26CT1523 since 12/11/14
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Deleted User
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Sirio 4000 or 5000 both very good antennas you won't go wrong with them,I use mine on a triple mag mount just 2 be sure 2 be sure....................
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steve67
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26 Charlie Tango 1864

Thanks both :)
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Andydx103
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Lagerland
Monday, 12. October 2015, 11:47
Sirio 4000 or 5000 both very good antennas you won't go wrong with them,I use mine on a triple mag mount just 2 be sure 2 be sure....................
This :thumb:








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Sam WD40
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26 Charlie Tango 747

Thing is to buy what you can afford and how you will be useing your radio 40ch or export set with 400ch ? Also where are you wanting to operate from open road or off road in a 4X4 or in a truck where it mounted high up !

But better quality like Sirio/Wilson will last the test of time and good all rounder but you will spend a few more quid

plenty to choose from out there I have about 30 mobile antennas that work in different ways
Good luck :thumb:
[marq=Left]STOP READING MY CRAP GO GET SOME DX DONE ![/marq]

M0SRW
26-CT-747
IF YA NEIGHBOURS STILL TALK TO YOU GET A BIGGER ANTENNA !

Failure is not an option! BUT smashing it with a BIG hammer is :bash:

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Scruff
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26 Charlie Tango 839


I have a les wallen modulator and a tank whip for when i'm parked up and does me fine and the 2 together are less than a sirio to buy.
I also have seperate whips for 40 and 20 but normally just use the auto tuner and make do with the modulator.
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Nik Gnashers
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26 Charlie Tango 573

Have a look at the older posts (using the search function) as this question has been asked many times.
You can see what has already been suggested ;)
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Staffy 48
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Sam WD40
Monday, 12. October 2015, 15:06


plenty to choose from out there I have about 30 mobile antennas that work in different ways
Good luck :thumb:
30 antennas indeed !!!

I've told you a 'million' times not to exaggerate!!! :D :D :D
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steve67
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26 Charlie Tango 1864

Nik Gnashers
Monday, 12. October 2015, 16:43
Have a look at the older posts (using the search function) as this question has been asked many times.
You can see what has already been suggested ;)
Sorry just seen the search function.
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Sam WD40
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26 Charlie Tango 747

Staffy 48
Monday, 12. October 2015, 16:44
Sam WD40
Monday, 12. October 2015, 15:06


plenty to choose from out there I have about 30 mobile antennas that work in different ways
Good luck :thumb:
30 antennas indeed !!!

I've told you a 'million' times not to exaggerate!!! :D :D :D
Sorry 32 I just brought 2more I'm a bit of a collector when it comes to antennas lol
[marq=Left]STOP READING MY CRAP GO GET SOME DX DONE ![/marq]

M0SRW
26-CT-747
IF YA NEIGHBOURS STILL TALK TO YOU GET A BIGGER ANTENNA !

Failure is not an option! BUT smashing it with a BIG hammer is :bash:

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Staffy 48
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Sam WD40
Tuesday, 13. October 2015, 09:17
Staffy 48
Monday, 12. October 2015, 16:44
Sam WD40
Monday, 12. October 2015, 15:06


plenty to choose from out there I have about 30 mobile antennas that work in different ways
Good luck :thumb:
30 antennas indeed !!!

I've told you a 'million' times not to exaggerate!!! :D :D :D
Sorry 32 I just brought 2more I'm a bit of a collector when it comes to antennas lol
:thumb: :thumb: :thumb: :D
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Northern Crusader
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26 Charlie Tango 1760

Longer the antenna the better it will work so you're looking at a 1/4 wave whip, Sirio 4000 etc and not those crappy short stubby things from Maplin. Better the groundplane, the better it'll work so fixed mount, then lip mount then magmount and finally the doesn't work a toss glass mount and do plenty of bonding. Middle of the roof is best location.
26CT1760 / M0GVZ
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The DB
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26PS001
 
There will be lots of replies for this question but here goes. I have seen no evidence to suggest the expensive mega watt antennas etc are any better than the cheapy ones.

This.

Northern Crusader
 
Longer the antenna the better it will work

This is true, however, it is not a straight length to performance scale. Any antenna that is around 5 feet or longer should perform reasonably well, and I would definitely push to maintain at least this length, even using a fold over or quick release mount if required. If you have two antennas of the same length and you can tell the difference between them then you have a problem with one of your antennas. It doesn't matter that one cost $15 and the other cost $1000.

Northern Crusader
 
Better the groundplane, the better it'll work so fixed mount, then lip mount then magmount and finally the doesn't work a toss glass mount

When it comes to personal experience, I will generally rate magnet mounts better than lip mounts, assuming they have a reasonable sized magnet. When it comes to magnet mounts, the size of the magnet really does matter. It is possible to have a magnet mount that has near as makes no difference the performance of a bolt on mount...

I would also not even consider a through glass mount.

Northern Crusader
 
Middle of the roof is best location.

This.


The DB
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steve67
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26 Charlie Tango 1864

I looked on my works van and the roof has attachment brackets for factory roof bars.
I'm going to make a bracket to mount a panel type antenna mount then fix it to the roof bar point.
I will have a look for a swivel joint
Thanks all
PS cre8900 arrived today :-)
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Phil busta bus
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Just started using the car again for Dx myself. I've bought a sirtel Gamma 1 and so far it's performed admirabley for the price. Handles 300 watts and is a copy of the old dx27. On the last Sunday 34 dx I managed 30 plus miles with ease on 4 watts and considerably more using mild boots. Price was £34 from knights
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Mudslinger
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Go for as big as you can, but I would avoid the Springer types. they don't work as well as they should do for their size and the one I had simply wouldn't SWR in.

I have an original Wallen Modulator and it works very well.
Edited by Mudslinger, Wednesday, 14. October 2015, 15:54.
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Northern Crusader
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26 Charlie Tango 1760

Quote:
 

When it comes to personal experience, I will generally rate magnet mounts better than lip mounts, assuming they have a reasonable sized magnet. When it comes to magnet mounts, the size of the magnet really does matter. It is possible to have a magnet mount that has near as makes no difference the performance of a bolt on mount...
Yeah I reckon on 10/11m you're not going to be doing too bad with a magmount however if they're going to use one they need to be aware that it will limit the power they can use without starting to see any problem. Assuming a decent sized magmount like the 7" Sirio one they'll be OK for 50/80W but once you get around 100W or more you start to overcome the capacitive coupling of the mount and start to see issues with RF on the audio (audio reports of bad audio) and mic bite being the first indications. A few hundred watts could actually see burning of the paint of the vehicle.
Edited by Northern Crusader, Thursday, 15. October 2015, 12:51.
26CT1760 / M0GVZ
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The DB
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In the past I've run over 200 watts through a 5 inch diameter magnet and had no problems. That being said, you are right about one thing, there is an upper limit of power that magnet mounts can handle, and exceeding that amount will cause arc over through the paint job. The diameter of the magnet doesn't change the chance of this happening either, the size simply makes it easier for RF to flow through said mount to the vehicle's body underneath. The thing that controls the arcing is the distance between the magnet and the metal of the vehicle, and the materials in between. If a spark over does happen, the mount will not be able to handle as much power in the future as the arcing will weaken the resistance of the dielectric material (paint), unless you move the mount elsewhere on the vehicle. Still, as long as your not running insane amounts of power magnet mounts can work well.

The one thing you have to watch for with lip mounts is you need to make sure the tightening bolts will dig through the vehicle's paint and rust protection layers to contact bare metal. If it doesn't it will simply act like a magnet mount with a very small magnet...


The DB
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Smokey Jay
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Andydx103
Monday, 12. October 2015, 13:09
Lagerland
Monday, 12. October 2015, 11:47
Sirio 4000 or 5000 both very good antennas you won't go wrong with them,I use mine on a triple mag mount just 2 be sure 2 be sure....................
This :thumb:



Another vote for Sirio 4000 or 5000
Edited by Smokey Jay, Thursday, 15. October 2015, 16:47.
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