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Anyone into ex pmr conversion

QSO UK :: PMR

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Anyone into ex pmr conversion

Post by g6ohm on Fri Apr 04, 2008 2:25 am

Before we go any further i am not talking about 446mhz gear.

I am talking about converting ex taxi radios,like Pye Tait,Key etc.
I have dabbled with these type of rigs for many years.I am no means an expert.
I know that M3's are not alowed to convert these type of rigs.
Personally i think they are missing out .But ofcom make the rules !

So i would be interested in anyone who has converted a EXPMR radio and how you got on with the rig.

Andy G6OHM
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Re: Anyone into ex pmr conversion

Post by 2E0ZMO on Fri Apr 04, 2008 4:34 am

as you say andy we cant but i would love to have a play.i did alot of electronics in the 80's and early 90's mainly audio and visuals.i did build a few rf tx's for use on short range 88-108 fm

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Re: Anyone into ex pmr conversion

Post by simon007 on Wed Apr 09, 2008 6:13 am

Motorola 1200's here are coverted a lot and work well with there 25watts clown

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Re: Anyone into ex pmr conversion

Post by davey790 on Thu Sep 25, 2008 12:53 pm

theres been a few old pye radios around here ex taxi 1s that have been converted but and this is a big but they were 40watts out the back end of them ony usefull on the hills me thinks not that i wud condone useing 40watts on that band but a lot of peeps with ham sets do tho around here .i use a motorla euro446 handle pro with a bnc connector on the top of it and a cut down di-pole on my curtain rail in the liveing room .furthest distance up to now is 30miles to bolton and worked liverool,wirral,wales from winter hill bolton with it as well
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Re: Anyone into ex pmr conversion

Post by daxi on Tue Feb 10, 2009 6:57 pm

I have several.
A ex Fire Brigade PFX on 4 meters, which works OK until you add a 1 or 2 meter tail of counterpoise under a case screw & then it really rocks.
A 4 meter AM Pye Vanguard which I will at some point fit to the Velocette.
An old & massive ex St John Ambulance Belcom, that still has their crystals in it.
Plus a couple of Icoms laying around that I want to put onto 2 meters at some point.

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Re: Anyone into ex pmr conversion

Post by TheLostPacket on Mon Mar 08, 2010 5:18 pm

hmmm... I've got an old Icomm site radio, I swear it's on 2m but it only having channel/CTCSS I can't lock down the frequency so I daren't test it on anything more than a dummy load. I also have a Yaesu VX5 I'm using for PMR Tx and WFM monitoring, I'm hoping to have a Sirio mobile whip set up on my bike before long so I can actually hear the traffic reports (the Yaesu's own antenna SUCKS, btw). Quick technical ask on that; having not done the math, does anyone know if a 5/8 wave reduced 11m whip (not sure of the model but it is similar in size and appearance to the Wilson FGT) will work on a CMOS Tx'er at 446MHz without blowing it? I'm hoping so, it'd save me some time switching antennas just so I can send...

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Re: Anyone into ex pmr conversion

Post by daxi on Mon Mar 08, 2010 6:48 pm

I have a VX-7r, which will have the same antenna as a VX-5r & the antenna is OK, not brilliant, but then no rubber duck is brilliant.
For the antenna why not use a 70 CM antenna ? A CB antenna is a tiny bit big having been designed for a frequency with a 10 meter wavelength & with 446 at around 70Cm in length, I find most of my 70CM antennas work on 446 with little or no adaption.

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Re: Anyone into ex pmr conversion

Post by Intermod on Sun Jan 02, 2011 12:59 pm

I've done many conversions starting way back with crystallised gear and then later burning EPROMS and currently simply programming modern equipment for amateur bands and PMR446.
My latest radios are a pair of MotoTrbo handhelds which I'm looking forward to programming for DPMR446 once I get the lead.

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