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Sirio GainMaster 5/8 0.64w Base Antenna Icon_minitimeToday at 7:14 pm by John H

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 Sirio GainMaster 5/8 0.64w Base Antenna

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Sydthecat
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redsprite
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redsprite


Call Sign : 26-CT-3697
Posts : 43
Times Thanked : 0
Join date : 2020-06-27
QTH or Location : Hemel Hempstead Hertfordshire
Equipment Used : PRESIDENT MCKINLEY.RadioMoble / SIRIO GAINMASTER 5/8.Sigma Venom 1/2 wave.
Age : 70

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PostSubject: Sirio GainMaster 5/8 0.64w Base Antenna   Sirio GainMaster 5/8 0.64w Base Antenna Icon_minitimeFri Sep 04, 2020 7:00 pm



Hi all,

pretty much made up my mind about buying a Sirio GainMaster 5/8 Wave 0.64w Base Station Antenna.

I have a Sigma Venom halfwave at the moment. This is mounted on a 35 foot Aluminium Flag Pole 2" dieameter. It's a pretty good Antenna with an almost perfect SWR across 40 channels (took a lot of time and effort). I find it does still bring in a lot of QRM/NOISE. I have used this for about 6 months and it's obviously a cheap Antenna,but it has done well.

Been reading a lot of GOOD reviews about the 5/8 GainMaster, but I wanted to seek out peoples opinions who have used...and STILL use these Antennas.

Be very grateful of some opinions of just how good....or...bad this Antenna is.
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Sydthecat
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Sydthecat


Call Sign : 2E0VRX
Posts : 775
Times Thanked : 46
Join date : 2019-06-26
QTH or Location : Yorkshire dales
Equipment Used : Yaesu FTdx 101d, MD200 mic ,Mosley 3ele Yagi
Age : 59

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PostSubject: Re: Sirio GainMaster 5/8 0.64w Base Antenna   Sirio GainMaster 5/8 0.64w Base Antenna Icon_minitimeFri Sep 04, 2020 7:32 pm

Hi Stephan 

The GM is a fine choice and performance wise one of the best, only let down slightly  by its durability and dosent like to much power entering it 


Craig

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Rotel240
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Posts : 14
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Join date : 2019-06-28
QTH or Location : Yorkshire

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PostSubject: Re: Sirio GainMaster 5/8 0.64w Base Antenna   Sirio GainMaster 5/8 0.64w Base Antenna Icon_minitimeFri Sep 04, 2020 8:16 pm

The SGM is a excellent performer and has low swr from 26_30 mhz, you will still get qrm and noise with any antenna,I have had mine up a good while and bends happily in the winds, the trick to mounting SGM is on a long pole so it can flex and not take all the strain, if mounted on a short stubby pole it will break.

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redsprite
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redsprite


Call Sign : 26-CT-3697
Posts : 43
Times Thanked : 0
Join date : 2020-06-27
QTH or Location : Hemel Hempstead Hertfordshire
Equipment Used : PRESIDENT MCKINLEY.RadioMoble / SIRIO GAINMASTER 5/8.Sigma Venom 1/2 wave.
Age : 70

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PostSubject: Re: Sirio GainMaster 5/8 0.64w Base Antenna   Sirio GainMaster 5/8 0.64w Base Antenna Icon_minitimeFri Sep 04, 2020 10:06 pm

Thanks for your thoughts guy's.

Yeah this is on a 5 section interlocking 2" Aluminium, 25ft pole clamped into two very heavy gauge 6" x 9" stand-off brackets that are bolted to a wall and 10ft off the ground. VERY strong and flexible. I stood watching my Sigma swaying around in the recent gale force winds we had here,and the Aluminion pole took most of the pressure. In the strongest gusts the pole moved 8"-10" but there was absolutely no problem, so the GainMaster will be fine,it only weighs 6 kilos 6.6lb so it will be like strapping a feather to a Telegraph Pole.

Steph

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glenn dog
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glenn dog


Call Sign : 56-CT-004
Posts : 445
Times Thanked : 11
Join date : 2019-08-23
QTH or Location : Oulu -Finland
Equipment Used : ft-450d-mc kinley - cobra 19dxeu- lincoln+2 - superstar lord - grant 2 - tti hand held- alan42- crt mike cb - zodiac 68 hunting radio hand held- and few PMR 2

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PostSubject: Re: Sirio GainMaster 5/8 0.64w Base Antenna   Sirio GainMaster 5/8 0.64w Base Antenna Icon_minitimeSat Sep 05, 2020 4:25 am

Had my GM up for 18mths now, working very well, and can take the winter temps i get here in  Finland, even bends ok with ice on it, had good local and dx on it this summer.

56CT004
GLENN

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Deant
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Call Sign : 26-CT-545
Posts : 6
Times Thanked : 0
Join date : 2023-05-18
QTH or Location : Southend-on-Sea
Equipment Used : Icom 7300

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PostSubject: Re: Sirio GainMaster 5/8 0.64w Base Antenna   Sirio GainMaster 5/8 0.64w Base Antenna Icon_minitimeFri May 19, 2023 12:44 pm

Hi guys just got the gain master how difficult arethere to swr in 🤔
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GaryWilson
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Call Sign : 26-CT-1836 Ham 2E0GGQ
Posts : 4220
Times Thanked : 359
Join date : 2019-06-27
QTH or Location : Redcar, North Yorkshire.
Equipment Used : Radios & Wires & Stuff!
Age : 59

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PostSubject: Re: Sirio GainMaster 5/8 0.64w Base Antenna   Sirio GainMaster 5/8 0.64w Base Antenna Icon_minitimeFri May 19, 2023 4:55 pm

Hi Dean,

Build it exactly as the instructions say and it should be spot on across the 11 meter band. Should also do 10 & 12 with the internal tuner on a HF set.

73's Gary.

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https://www.qrz.com/db/2E0GGQ
Deant
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Call Sign : 26-CT-545
Posts : 6
Times Thanked : 0
Join date : 2023-05-18
QTH or Location : Southend-on-Sea
Equipment Used : Icom 7300

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PostSubject: Re: Sirio GainMaster 5/8 0.64w Base Antenna   Sirio GainMaster 5/8 0.64w Base Antenna Icon_minitimeFri May 19, 2023 4:58 pm

Thank you Gary iv gone by the instructions 🤞 it's OK

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PostSubject: Re: Sirio GainMaster 5/8 0.64w Base Antenna   Sirio GainMaster 5/8 0.64w Base Antenna Icon_minitime

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