Portable SW Radio Antenna Jack
NB1R
an active antenna to plug into the antenna jack. This radio, like
many new portable SW sets, has the 1/8" mono jack for antenna
output.
Can anyone tell me which contact is for the antenna? The tip or the
shaft? (Heh-heh...tip... shaft). Is the other contact the ground? In
the old days the desktop rigs either had a PL259 or a terminal strip
for hooking up an antenna.
Thanks,
Good DX/SWL
James
NB1R
Lexington MA
N9NEO
I would think the tip is the antenna, but I wonder if it really makes
much of a difference. Especially if your active antenna isn't
connected to ground.
Regards
Bob
N9NEO
NB1R
Thanks Bob,
The more I think of it, I'm sure I can check both contacts with my ohm
meter against the radio's whip antenna when I get ready to wire the
plug.
Best,
James
NB1R
Geoffrey S. Mendelson
> The more I think of it, I'm sure I can check both contacts with my ohm
> meter against the radio's whip antenna when I get ready to wire the
> plug.
Good way to burn out the front end of your radio if it is not protected
against such things. (e.g. Sony ICF-2010)
Since no one has not answered it's the tip is the antenna and the ring
(outside) is ground. It's best if you use a short jumper of very flexible
coax (rg-174) from it as the stress from something hard (rg-58, rg-6), etc will
damage the radio.
Geoff.
--
Geoffrey S. Mendelson, Jerusalem, Israel g...@mendelson.com N3OWJ/4X1GM
RHF
NB1R,
Grundig G6 Aviator Radio
http://www.amazon.com/gp/product/images/B0018QQDII/
* Page 16 - Antenna Input is for 50~75 Ohms
http://www.etoncorp.com/upload/contents/307/G6_Manual_US_010308_low.pdf
Check the Negative {Outer-Ring} of the DC Input
to the Outer-Ring of the Headphone Jack for
Continuity {Ground ?}.
Check the Outer-Ring of the Antenna Jack Input
to the Outer-Ring of the Headphone Jack for
Continuity {Ground ?}.
97.531% 'sure' that the "Tip" is the Antenna
{Hook-Up} Connection and the Outer-Ring
{Barrel} is the Ground Connection
-or- was that 86.420% certain . . .
Use a 1/8" {3.5mm} Plug Quick TV Antenna Adapter
with a Long Wire Antenna and Ground 'connected'
to the Screw Terminals and Plug-It-In as needed.
http://www.amazon.com/dp/B001JT3MNS
Alternative use a PWA -or- Tune-a-Stick Antennas
Tune-A-Stick -and- Portable Wire Antenna (PWA)
for Whip Antenna Couplers to External Shortwave
Listener (SWL) Antennas
http://groups.google.com/group/rec.radio.shortwave/msg/09c73c4c94625fc7
http://groups.google.com/group/rec.radio.shortwave/msg/8ca610e444b71ebd
SWL -Newbies-
So Your 'portable' AM/FM Shortwave Radio
Needs an External Antenna for Better Reception
http://groups.google.com/group/rec.radio.shortwave/msg/fa4fd1bafbc1ccf5
http://groups.google.com/group/rec.radio.shortwave/msg/8c91ac1debee8e66
.
hope this helps - iane ~ RHF
.
.
NB1R
> On Dec 5, 7:58 am, NB1R <jmsurpren...@gmail.com> wrote:
>
>
>
>
>
> > I've got a nifty little Grundig G6 Aviator radio and I want to build
> > an active antenna to plug into the antenna jack. This radio, like
> > many new portable SW sets, has the 1/8" mono jack for antenna
> > output.
>
> > Can anyone tell me which contact is for the antenna? The tip or the
> > shaft? (Heh-heh...tip... shaft). Is the other contact the ground? In
> > the old days the desktop rigs either had a PL259 or a terminal strip
> > for hooking up an antenna.
>
> > Thanks,
> > Good DX/SWL
>
> > James
> > NB1R
> > Lexington MA
>
> NB1R,
>
> * Page 16 - Antenna Input is for 50~75 Ohmshttp://www.etoncorp.com/upload/contents/307/G6_Manual_US_010308_low.pdf
>
> Check the Negative {Outer-Ring} of the DC Input
> to the Outer-Ring of the Headphone Jack for
> Continuity {Ground ?}.
>
> Check the Outer-Ring of the Antenna Jack Input
> to the Outer-Ring of the Headphone Jack for
> Continuity {Ground ?}.
>
> 97.531% 'sure' that the "Tip" is the Antenna
> {Hook-Up} Connection and the Outer-Ring
> {Barrel} is the Ground Connection
> -or- was that 86.420% certain . . .
>
> Use a 1/8" {3.5mm} Plug Quick TV Antenna Adapter
> with a Long Wire Antenna and Ground 'connected'
>
> Alternative use a PWA -or- Tune-a-Stick Antennas
>
> Tune-A-Stick -and- Portable Wire Antenna (PWA)
> for Whip Antenna Couplers to External Shortwave
>
> SWL -Newbies-
> So Your 'portable' AM/FM Shortwave Radio
> .
> hope this helps - iane ~ RHF
> .
> .
Thanks for the resources and info!
James
NB1R