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| Tweet Topic Started: Monday, 12. October 2015, 11:05 (733 Views) | |
| steve67 | Monday, 12. October 2015, 11:05 Post #1 |
26 Charlie Tango 1864
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Newbie question which mag mount/antenna do you recommend to use with a CRE8900 ? |
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| 26PS001 | Monday, 12. October 2015, 11:45 Post #2 |
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26 Charlie Tango 1523
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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 |
Charlie Tango member 26CT1523 since 12/11/14 Mark (252) thecobraman tribute youtube channel https://www.youtube.com/channel/UC-jDebaO5BGsAjdy3pNiG7Q | |
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| Deleted User | Monday, 12. October 2015, 11:47 Post #3 |
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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 | Monday, 12. October 2015, 12:09 Post #4 |
26 Charlie Tango 1864
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Thanks both
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| Andydx103 | Monday, 12. October 2015, 13:09 Post #5 |
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This
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| Sam WD40 | Monday, 12. October 2015, 15:06 Post #6 |
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26 Charlie Tango 747
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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
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[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 ![]() | |
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| Scruff | Monday, 12. October 2015, 16:42 Post #7 |
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26 Charlie Tango 839
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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 | Monday, 12. October 2015, 16:43 Post #8 |
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26 Charlie Tango 573
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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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M6GFT ::: QRZ Page- http://www.qrz.com/db/M6GFT [imgw=150]http://i.imgur.com/RJjZCOw.jpg[/imgw] All CT members are expected to use good operating procedure, good manners, and be friendly...Please do not chat on any calling frequencies, or use bad language on air, thank you it is appreciated. | |
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| Staffy 48 | Monday, 12. October 2015, 16:44 Post #9 |
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30 antennas indeed !!! I've told you a 'million' times not to exaggerate!!!
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| steve67 | Monday, 12. October 2015, 18:24 Post #10 |
26 Charlie Tango 1864
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Sorry just seen the search function. |
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| Sam WD40 | Tuesday, 13. October 2015, 09:17 Post #11 |
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26 Charlie Tango 747
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Sorry 32 I just brought 2more I'm a bit of a collector when it comes to antennas lol |
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[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 ![]() | |
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| Staffy 48 | Tuesday, 13. October 2015, 13:34 Post #12 |
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| Northern Crusader | Tuesday, 13. October 2015, 15:16 Post #13 |
26 Charlie Tango 1760
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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 | Tuesday, 13. October 2015, 16:06 Post #14 |
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This.
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.
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.
This. The DB |
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| steve67 | Tuesday, 13. October 2015, 16:17 Post #15 |
26 Charlie Tango 1864
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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 | Wednesday, 14. October 2015, 15:33 Post #16 |
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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 | Wednesday, 14. October 2015, 15:53 Post #17 |
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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 | Thursday, 15. October 2015, 12:51 Post #18 |
26 Charlie Tango 1760
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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.
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| 26CT1760 / M0GVZ | |
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| The DB | Thursday, 15. October 2015, 16:06 Post #19 |
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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 | Thursday, 15. October 2015, 16:47 Post #20 |
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Another vote for Sirio 4000 or 5000 Edited by Smokey Jay, Thursday, 15. October 2015, 16:47.
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