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 RG58 Cable question

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Tiger
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Call Sign : 26-CT-792
Posts : 4
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Join date : 2020-03-19
QTH or Location : West Dorset & South Wales
Equipment Used : Midland Alan 48 Plus Multi

RG58 Cable question Empty
PostSubject: RG58 Cable question   RG58 Cable question Icon_minitimeMon Apr 27, 2020 5:29 pm

I'm having a problem getting hold of RG58 cable, in desperation I turned to that unmentionable auction site and ordered up the cable.

It arrived today, the damn stuff is so thin it rattles around the insert of a PL259 plug. Probably ok to tie the beans up with but not much else.

As most places are closed at the present time I was thinking of trying satellite cable (of which I have plenty). Has anyone tried this as a 'get by' solution or am I wasting my time even considering it? Would I even get a half decent SWR?


Last edited by Tiger on Mon Apr 27, 2020 9:02 pm; edited 1 time in total
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Pagan
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Pagan

Call Sign : 26CT2069
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Join date : 2019-08-09
QTH or Location : Pendle, Lancashire
Equipment Used : CRT-SS9900

RG58 Cable question Empty
PostSubject: Re: RG58 Cable question   RG58 Cable question Icon_minitimeMon Apr 27, 2020 5:41 pm

Have you tried Knights (link below)? Their shop is closed due to Covid19 but they are still working as normal with mail-order. I've ordered plenty of stuff from them in the past and they're usually very quick.

https://www.kcb.co.uk/contents/en-uk/d42.html
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PostSubject: Re: RG58 Cable question   RG58 Cable question Icon_minitimeMon Apr 27, 2020 5:57 pm

Know the problem mate.  The mil spec from knights ok,,,,,, but none of it is a patch on the coax of 30yrs ago.

70 thirds   Tom


And PL 295s,,,,,,,,,, out of 8 that ive bought (from different supplys) 3 were scrap
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Victor
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Victor

Call Sign : 26-CT-3228 Ham M7VIC
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QTH or Location : Bedford
Equipment Used : Various

RG58 Cable question Empty
PostSubject: Re: RG58 Cable question   RG58 Cable question Icon_minitimeMon Apr 27, 2020 9:05 pm

Hi Nigel,

Many a Ham, (and possibly the odd knowledgeable CBer), would have no problem in using RG59 for their antennas. The 75ohm impedance would at worst give you a SWR of 1:1.5 on a 50ohm load. (Remember it's not all about SWR, a 50ohm dummy load gives a perfect 1:1 SWR but makes for a terrible antenna! Very Happy ) A lot of satellite cable is usually good quality low loss stuff so probably do you better than nasty/cheap 50ohm stuff Wink

Give it a go, you've nothing to lose and it'll get you by for now.

All the best,
Victor
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Tiger
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Equipment Used : Midland Alan 48 Plus Multi

RG58 Cable question Empty
PostSubject: Re: RG58 Cable question   RG58 Cable question Icon_minitimeMon Apr 27, 2020 9:21 pm

Victor wrote:
Hi Nigel,

Many a Ham, (and possibly the odd knowledgeable CBer), would have no problem in using RG59 for their antennas. The 75ohm impedance would at worst give you a SWR of 1:1.5 on a 50ohm load. (Remember it's not all about SWR, a 50ohm dummy load gives a perfect 1:1 SWR but makes for a terrible antenna! Very Happy ) A lot of satellite cable is usually good quality low loss stuff so probably do you better than nasty/cheap 50ohm stuff Wink

Give it a go, you've nothing to lose and it'll get you by for now.

All the best,
Victor

Thank you for those nuggets of information Victor. I've been out of radio for a while but since moving to the highest town in Wales (from the West Dorset coast) it's an opportunity not to be missed! The sat cable is probably 5 years old but was new and kept in the house, seems a shame to waste it so see how it goes Smile
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26TC62
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26TC62

Call Sign : 26TC62, 26CT2817
Posts : 142
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Join date : 2019-06-27
QTH or Location : Portsmouth
Equipment Used : Yaesu 891, 10m pole, wire 5/8, T2LT

RG58 Cable question Empty
PostSubject: Re: RG58 Cable question   RG58 Cable question Icon_minitimeMon Apr 27, 2020 9:33 pm

75 Ohm sat cable will be OK. I've emailed Henry Westlake a couple of hours ago to see if he is trading at present, need some cable and bits myself - people seem to think he is.
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Victor
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Call Sign : 26-CT-3228 Ham M7VIC
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PostSubject: Re: RG58 Cable question   RG58 Cable question Icon_minitimeMon Apr 27, 2020 9:36 pm

No worries Nigel.

Welcome back to the world of radio. Enjoy Smile
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S.e.a.n
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S.e.a.n

Call Sign : 26CT2768 2E0KFO
Posts : 3
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Join date : 2019-06-28
QTH or Location : Norwich
Equipment Used : Yaesu ft-991, FTM-100D, VX-6, Ailunce HD1, Multi Band Vertical Antenna, Yupiteru 7100, Albrecht AE6110

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PostSubject: Re: RG58 Cable question   RG58 Cable question Icon_minitimeSun May 03, 2020 9:03 am

I have been using 75ohm sat cable on my HF set up for years and found it works really well. Its seems to help give me a better match over a greater range of frequencies than RG58.....experimenting is the name of the game my friend. Good luck anyway.
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Tiger
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Call Sign : 26-CT-792
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Join date : 2020-03-19
QTH or Location : West Dorset & South Wales
Equipment Used : Midland Alan 48 Plus Multi

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PostSubject: Re: RG58 Cable question   RG58 Cable question Icon_minitimeSun Jun 07, 2020 10:26 am

I'm pleased to report that the sat cable is absolutely fine despite a fairly long run from the house, up the mast and finally to the 1.65m antenna. Being 380 metres above sea level helps too, thanks for all the advice guys Very Happy
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stephen Gunrunner
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Call Sign : 26CT526/MR021/M6XXX26DD666.
Posts : 99
Times Thanked : 2
Join date : 2019-06-27
QTH or Location : wooler north northumberland or some were near it
Equipment Used : ss9900 mass dx 5000 sirio 4000hp sirio 5000 turbo trimag tti 801 crt7u crt space-u pmr
Age : 63

RG58 Cable question Empty
PostSubject: Re: RG58 Cable question   RG58 Cable question Icon_minitimeSun Jun 07, 2020 2:00 pm

I have a long run and I use RG8X, which I find is very good never tried any thicker, mind the rg8x goes around the corners very well, it came from knights and they put pl259 on one end, I hope you get sorted and enjoy the great hobby
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