Sirio gpe27 questions ?

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ch25
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Re: Sirio gpe27 questions ?

Post by ch25 » 15 Jul 2018, 18:27

Is it located close to trees get wet?
Did you make drain hole in the bottom as I mentioned earlier?
Waterproofing joints was wasted time and effort anyway.
Chris
Last edited by ch25 on 15 Jul 2018, 18:44, edited 2 times in total.
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gmham
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Re: Sirio gpe27 questions ?

Post by gmham » 15 Jul 2018, 18:43

Hi Chris the drain holes were there anyway on my version. No trees anywhere near the antenna just the supporting pole. Will take down the antenna when next dry day and hopefully find where is getting in but again everything was particularly well protected as far as I could see.
.... Icom IC7300 HF /6 mtr
Kenwood TR751e 2mtr ssb






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ch25
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Re: Sirio gpe27 questions ?

Post by ch25 » 15 Jul 2018, 18:44

Unplug from radio, take multimeter, Ohm range, one probe to coax shield, another to inner conductor. What DMM shows?
Is SWR all the way bad, or going higher freq is getting better?
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Re: Sirio gpe27 questions ?

Post by gmham » 15 Jul 2018, 20:04

Okay thanks as I say will check it out next dry day. Not sure if the plastic see thru column protecting the coil itself is maybe requiring waterproofing ? The swr is rising as you go up the band but this was the case anyway but obviously not as much as this until today's rain. Anyway bands are quiet anyway so not missing a lot anyway !! Thanks again.
.... Icom IC7300 HF /6 mtr
Kenwood TR751e 2mtr ssb






108-TM-154 - John

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WARLOCK
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Re: Sirio gpe27 questions ?

Post by WARLOCK » 19 Jul 2018, 21:28

Is it possable to use a sirio gpe 27 antenna with out the groundplanes , i ask this as i do not have the room to fit the groundplanes ??? or would i be better off useing a i-max 2000 ???

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ch25
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Re: Sirio gpe27 questions ?

Post by ch25 » 19 Jul 2018, 21:44

Yes, it is possible, but SWR will be sky high :)
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