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Call Sign : 26 CT 2290 & 26 CI 2290 Posts : 784 Times Thanked : 28 Join date : 2019-07-01 QTH or Location : Kent Equipment Used : On 11m a Anytone 6666, Solarcon A99 vertical antenna or a Sirio 4000. On PMR a CRT Space U, a 1/4 wave GPA, homemade mag mount & sometimes a 8 element beam. Age : 56
Subject: Homemade PMR 446 mobile antenna Wed Oct 02, 2019 11:33 pm
Hi all
I'm looking for some pointers on making a mobile antenna for PMR 446. I've got the mag mount and cable but what length should i make the whip. Should i make it a quarter, half, three quarter, five eighth or full wave?
Ray CT2290/CI2290
BigTone Contributor
Call Sign : G8YMW or 26CT4498 Posts : 92 Times Thanked : 17 Join date : 2019-07-16 QTH or Location : Lincoln and Finningley Equipment Used : CRT 9900, Icom 705, Kenwood TS570, Icom 910 Age : 69
Subject: Re: Homemade PMR 446 mobile antenna Thu Oct 03, 2019 11:21 pm
The easiest is 1/4 wave, about 6 inches long. No coils, caps or matching.
BigTone Contributor
Call Sign : G8YMW or 26CT4498 Posts : 92 Times Thanked : 17 Join date : 2019-07-16 QTH or Location : Lincoln and Finningley Equipment Used : CRT 9900, Icom 705, Kenwood TS570, Icom 910 Age : 69
Subject: Re: Homemade PMR 446 mobile antenna Thu Oct 03, 2019 11:33 pm
Ray, how about a bought aerial, 1/2 over 1/4 wave, £13 http://kcb.co.uk/contents/en-uk/p2037_Sirio_SU_375-480PL__(375-480mHz).html
Razz229 Major contributor
Call Sign : 26 CT 2290 & 26 CI 2290 Posts : 784 Times Thanked : 28 Join date : 2019-07-01 QTH or Location : Kent Equipment Used : On 11m a Anytone 6666, Solarcon A99 vertical antenna or a Sirio 4000. On PMR a CRT Space U, a 1/4 wave GPA, homemade mag mount & sometimes a 8 element beam. Age : 56
Subject: Re: Homemade PMR 446 mobile antenna Sat Oct 05, 2019 1:12 pm
Hi BigTone
That Sirio looks the part, and if i can't build something out of the bits n bobs i've got then i will go down the buying route.
Cheers
Ray CI2290/CT2290
gravedigger911 New Member
Call Sign : 26-CT-3161 Posts : 21 Times Thanked : 1 Join date : 2019-07-04 QTH or Location : West Yorkshire Equipment Used : Stryker SR955 HP . Uniden Uniace 300 . TS 6M. Pres Himalaya...2x Uniden Scanners . 2x AOR Recievers 2x AOR
Subject: Re: Homemade PMR 446 mobile antenna Mon Oct 07, 2019 12:18 am
Theres some really Small 9 cm ones on Ebag , from China of Course about £12 complete with Mag Mount , by all Accounts got good feedback, type in 2M 440 Mobile Ant
Today at 7:59 am by 
Subject: Homemade PMR 446 mobile antenna 
