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 Gain Master or Antron 99

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macker 1961
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Call Sign : 26-CT-3431
Posts : 11
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Join date : 2020-04-05
QTH or Location : SEAHAM
Equipment Used : K-po dx 5000 1/2 wave venom
Age : 60

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PostSubject: Gain Master or Antron 99   Gain Master or Antron 99 Icon_minitimeFri Apr 10, 2020 3:40 pm

Hi all
Just sat at the laptop waiting to press send but wanted some advise on which of these two antenna is better.
i have a 20' pole ready to put either one on.
Any and all help would be helpful, sorry the transceiver is a K-PO DX 5000
Thanks
Paul

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Northern Crusader
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Call Sign : M0GVZ / 26CT1760
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Join date : 2019-11-13
QTH or Location : IO94SA
Equipment Used : Icom 7300, TS480, President McKinley, Albrecht AE6110, CRT Mike
Age : 51

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PostSubject: Re: Gain Master or Antron 99   Gain Master or Antron 99 Icon_minitimeFri Apr 10, 2020 6:52 pm

Performance wise I doubt you'd notice much difference. Usually when you find someone has swapped something for a Gainmaster and seen a big improvement they forget to include that when they decided to put the Gainmaster up they also used the opportunity to upgrade to a longer pole or use better coax etc which were more likely to be the reason for the improvement. For those who've basically unplugged one, taken it off the pole, replaced with Gainmaster and plugged back in they've noticed very little improvement if any.

Antron A99 has better survivability in high wind. If you do go for the A99 don't waste your money on the FireUp replacement top section.

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macker 1961
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PostSubject: Re: Gain Master or Antron 99   Gain Master or Antron 99 Icon_minitimeFri Apr 10, 2020 7:34 pm

Thanks for your reply. I have a 1/4 wave signal keeper at the moment and I don't like it.
I think the A99 is the one to go for then for me
Just hope the conditions improve soon
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macker 1961
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Equipment Used : K-po dx 5000 1/2 wave venom
Age : 60

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PostSubject: Re: Gain Master or Antron 99   Gain Master or Antron 99 Icon_minitimeFri Apr 10, 2020 7:35 pm

I have ordered the really thick low loss coax also
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skipmaster
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PostSubject: Re: Gain Master or Antron 99   Gain Master or Antron 99 Icon_minitimeFri Apr 10, 2020 9:34 pm

hi paul i have the a99 also got a moxon beam very small beam with big results , but with my antron ive worked 43 division and 25 division , obviously when the conditions where better so hang on in there things will improve , a little like our life in these unfortunate circumstances at the moment take care enjoy the radio and best 73's to you and yours from Mark Very Happy
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macker 1961
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Call Sign : 26-CT-3431
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Equipment Used : K-po dx 5000 1/2 wave venom
Age : 60

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PostSubject: Re: Gain Master or Antron 99   Gain Master or Antron 99 Icon_minitimeFri Apr 10, 2020 10:42 pm

thank you Mark
i appreciate all the help and advice.
now sat waiting for couriers to turn up lol
73's to you and yours
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Northern Crusader
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Call Sign : M0GVZ / 26CT1760
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Join date : 2019-11-13
QTH or Location : IO94SA
Equipment Used : Icom 7300, TS480, President McKinley, Albrecht AE6110, CRT Mike
Age : 51

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PostSubject: Re: Gain Master or Antron 99   Gain Master or Antron 99 Icon_minitimeSat Apr 11, 2020 1:39 pm

I second the Moxon if you're serious for DX. They're dead easy to make up yourself and there's a load of calculators on the net. Only thing to beware of as I forgot is unless they ask the calculators assume bare wire and if you use insulated it appears around 4% longer electrically to RF so if you can't tune it and built it using insulated wire that may be why and you need to shorten the elements. You can do this by folding the wire back on itself rather than cutting.
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Rotel240
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PostSubject: Re: Gain Master or Antron 99   Gain Master or Antron 99 Icon_minitimeSun Apr 12, 2020 9:10 am

I had the a99 and now have the SGM and nothing between them regards performance, both will withstand the wind if mounted properly with plenty of flex in the mounting pole, the SGM does have a wider bandwidth and will 10-12m with low swr.I use a home brew Moxon and as good rejection and as said above is excellent for DX work when the conditions allow.I am using 14m of rg mini8 to both antennas and do rx and tx well but would consider rg213 for longer runs.
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CyDer DrinKer
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Call Sign : M3VUI
Posts : 40
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Join date : 2019-08-10
QTH or Location : Somerset
Equipment Used : Yaesu FTDX3000- Yaesu FT8900R - Homebrew Half G5RV - 2/70 Co-Linear - Antron 99
Age : 48

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PostSubject: Re: Gain Master or Antron 99   Gain Master or Antron 99 Icon_minitimeFri Jun 12, 2020 6:11 pm

Does anyone treat their antron with anything to help protect the fibreglass ?
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Northern Crusader
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Call Sign : M0GVZ / 26CT1760
Posts : 427
Times Thanked : 32
Join date : 2019-11-13
QTH or Location : IO94SA
Equipment Used : Icom 7300, TS480, President McKinley, Albrecht AE6110, CRT Mike
Age : 51

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PostSubject: Re: Gain Master or Antron 99   Gain Master or Antron 99 Icon_minitimeSun Jun 14, 2020 7:31 pm

CyDer DrinKer wrote:
Does anyone treat their antron with anything to help protect the fibreglass ?

I didn't treat my Imax 2000 and it's now maybe 15 years old. It hasn't split but there are some fine splinters that get into your skin if you handle it. Marine varnish seems to be widely recommended.
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CyDer DrinKer
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CyDer DrinKer


Call Sign : M3VUI
Posts : 40
Times Thanked : 1
Join date : 2019-08-10
QTH or Location : Somerset
Equipment Used : Yaesu FTDX3000- Yaesu FT8900R - Homebrew Half G5RV - 2/70 Co-Linear - Antron 99
Age : 48

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PostSubject: Re: Gain Master or Antron 99   Gain Master or Antron 99 Icon_minitimeSun Jun 14, 2020 9:16 pm

Ill look up how expensive that is, thanks
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