Optimal Arial Lenghts for TX

Technical questions, advice, sharing information etc (aircraft, engines, instruments, weather and such)
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krusty
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Postby krusty » Mon Mar 20, 2006 7:53 pm

Thanks John,

I would guess that this is a halfwave antenna then.

It was supplied for the farm house as all the farm bakkies are fitted with 29Meg radios as well.
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John Young
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Postby John Young » Mon Mar 20, 2006 8:35 pm

krusty wrote:I would guess that this is a halfwave antenna then.

It was supplied for the farm house as all the farm bakkies are fitted with 29Meg radios as well.
Yebo, a half-wave antenna - which should be vertically polarised.

You can borrow my SWR meter and tune it if you wish.

Regards

PS: Was a bit tired – changed “horizontally” to “vertically”.
Last edited by John Young on Tue Mar 21, 2006 4:11 am, edited 1 time in total.
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krusty
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Postby krusty » Mon Mar 20, 2006 8:43 pm

John Young wrote:You can borrow my SWR meter and tune it if you wish.

Regards
I would love to do that sometime, thanks.

It would be great to ensure that it is correctly tuned as well as tune the whip that I'm about to fit to my car.

Ballito is a small town and having a radio in the house and one in the car will cut down my cellphone bill a bit.

...Then, there's the "nerd" factor that appeals to me as well :lol: :lol: :lol:
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SWR Metre

Postby John Young » Tue Mar 21, 2006 4:29 am

Hi Krusty,

Send me an email if you wish [contact details]. I live in Westville, work in Durban and fly at Cato.

Regards
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Postby krusty » Tue Mar 21, 2006 10:04 pm

John,

I travel up to Howick reasonably often so will get hold of you next time I'm on my way past.

Many thanks for your offer.
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IFLYHI
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Postby IFLYHI » Tue May 09, 2006 5:20 pm

Henry6iix wrote:I dont have a trimming chart with me here but John is right 588mm.

If the spring on the bottom of the antenna is about 13mm in diameter the u cut the antenna from the hole to the tip 588mm

73 de Henry ZS6IIX
I've got 1 change at this :shock: is it from the hole the antenna swivels around or from the base, including the spring, where the nut goes through the body :?: :?
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Postby Henry6iix » Tue May 09, 2006 9:12 pm

From the swiwel
73 from Rustenburg
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Postby John Young » Wed May 10, 2006 8:18 pm

Henry6iix wrote:From the swiwel
Dr Henry - greetings de ZS5WG. Ur call ZS6?? QTH Westville. Been vy QRL cos blikbrain died at saltmine = mortally wounded. WX been toooo K@k to fly. Shack in a mess - looks like Thor es Loki been calling CQ, CQ, CQ on de antenna. Glad u cud help de OM's es OT's out here. 73's de John ZS5WG. QSL via PM or direct. K
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IFLYHI
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Postby IFLYHI » Mon May 15, 2006 9:25 am

John Young wrote:
Henry6iix wrote:From the swiwel
Dr Henry - greetings de ZS5WG. Ur call ZS6?? QTH Westville. Been vy QRL cos blikbrain died at saltmine = mortally wounded. WX been toooo K@k to fly. Shack in a mess - looks like Thor es Loki been calling CQ, CQ, CQ on de antenna. Glad u cud help de OM's es OT's out here. 73's de John ZS5WG. QSL via PM or direct. K

:?: :?: :?: :shock: :?:
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Postby John Young » Mon May 15, 2006 9:38 am

IFLYHI wrote: :?: :?: :?: :shock: :?:
IFLYHI – it’s simply CW [morse code]. The above means ….

Dear Henry – greetings – what is your call sign? I live in Westville. Been very busy because my computer crashed and can’t be repaired. Weather has been lousy, in fact wind blew my antennas down. Glad that you could help our buddies here. Please send me an email. Bye.

QSL??

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