[Elecraft] Mosley TH-3jr Weirdness
H Gang:
I have a very strange request for info. I inherited a Mosley TH-3jr tri-bander
from Russ, AE4NY. The driven element has two (2) 7ft 3 inch pieces of
multi-strand wire (NOT coax) in a very heavy insulation running from the SO=239
down each side of the driven element. I have never seen this before. The length
does not equate to any ham band covered by the antenna (it covers 20/15 &10M).
As near as I can tell each piece of wire sits inside the aluminum tubing and
the is connected to the coaxial connected but for what purpose I haven't the
faintest.
So, anyone have an idea as to why this insulated wire sits inside the DE on
this tri-bander?? I have photos that I will send to anyone who wants to have a
look. I don't want to attach them to this mssg as it is going to several lists.
Any info or ideas would be of help as this antenna is due to go up in the air
hopefully this weekend. Pls reply off list.
Tnx
73
Rich Arland, K7SZ
Bent Dipole Ranch, Dacula, GA
"Cogito Ergo CQ" ("I think therefore I HAM")
Author: "The ARRL's Low Power Communications, the Art and Science of QRP" (all
3 editions)
Editor: "QRP POWER", QST Magazine (Jan 2000 to Dec 2003)
Editor: "The Learning Curve", CQ Magazine
Editor: "The Beginner's Column", CQ-VHF Magazine
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Re: [Elecraft] Mosley TH-3jr Weirdness
part of the beta match perhaps? http://www.hy-gain.com/pdffiles/TH-3JRS.pdf GB & 73 K5OAI Sam Morgan On 7/28/2011 7:03 PM, Rich Arland wrote: > > H Gang: > > I have a very strange request for info. I inherited a Mosley TH-3jr > tri-bander from Russ, AE4NY. The driven element has two (2) 7ft 3 inch pieces > of multi-strand wire (NOT coax) in a very heavy insulation running from the > SO=239 down each side of the driven element. I have never seen this before. > The length does not equate to any ham band covered by the antenna (it covers > 20/15&10M). As near as I can tell each piece of wire sits inside the aluminum > tubing and the is connected to the coaxial connected but for what purpose I > haven't the faintest. > > So, anyone have an idea as to why this insulated wire sits inside the DE on > this tri-bander?? I have photos that I will send to anyone who wants to have > a look. I don't want to attach them to this mssg as it is going to several > lists. Any info or ideas would be of help as this antenna is due to go up in > the air hopefully this weekend. Pls reply off list. > Tnx > > 73 > Rich Arland, K7SZ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Mosley TH-3jr Weirdness
My TH-3jr does NOT have that wire and it does not appear in the assembly
instructions.
Doug -- K0DXV
On 7/28/11 6:03 PM, Rich Arland wrote:
> H Gang:
>
> I have a very strange request for info. I inherited a Mosley TH-3jr
> tri-bander from Russ, AE4NY. The driven element has two (2) 7ft 3 inch pieces
> of multi-strand wire (NOT coax) in a very heavy insulation running from the
> SO=239 down each side of the driven element. I have never seen this before.
> The length does not equate to any ham band covered by the antenna (it covers
> 20/15&10M). As near as I can tell each piece of wire sits inside the aluminum
> tubing and the is connected to the coaxial connected but for what purpose I
> haven't the faintest.
>
> So, anyone have an idea as to why this insulated wire sits inside the DE on
> this tri-bander?? I have photos that I will send to anyone who wants to have
> a look. I don't want to attach them to this mssg as it is going to several
> lists. Any info or ideas would be of help as this antenna is due to go up in
> the air hopefully this weekend. Pls reply off list.
> Tnx
>
> 73
> Rich Arland, K7SZ
> Bent Dipole Ranch, Dacula, GA
> "Cogito Ergo CQ" ("I think therefore I HAM")
> Author: "The ARRL's Low Power Communications, the Art and Science of QRP"
> (all 3 editions)
> Editor: "QRP POWER", QST Magazine (Jan 2000 to Dec 2003)
> Editor: "The Learning Curve", CQ Magazine
> Editor: "The Beginner's Column", CQ-VHF Magazine
>
>
>
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
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