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Old April 16th 04, 01:47 AM
RFCOMMSYS
 
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Default High-Gain AM Car Antenna?

My car radio, although good on FM, stinks on MW. It's about as sensitive as a
brick, but I don't want to replace the radio. Does anyone sell a high-gain AM
car antenna?
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Old April 18th 04, 09:02 AM
GO BEARCATS
 
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.. My car radio, although good on FM, stinks on MW. It's about as sensitive as
a
brick, but I don't want to replace the radio. Does anyone sell a high-gain

AM
car antenna



Replace the Car [.]


Go to one of the nicer junk yards in your area (they're in every city.)
There's a couple in our area that when you walk in, on the left side against
the wall is a HUGE see-through cabinet stock full of all kinds of different
radios.

Older just AM radios are the ones I like and have in my 'fun car.' Those tend
to be the *hot* radios. I've even saw radios with shortwave bands on them, of
course....they're more.

What wrong with popping in a just old cleaned up hot only AM radio? I promise
that would solve the problem pronto.:-) I have a just AM Delco with either 5 or
6 push-button channels to program and on the volume knob it pulls out if you
want to anttenuate the signal, I've often wonder the db loss when I pull that
out.

It came with the original radio papers 'explaining' AM radio and how the radio
works. It's a hottie! :-)

~*~*Monitoring The AirWaves~*~
*****GO BEARCATS*****
Hammarlund HQ129X /Heathkit Q Multiplier
Hammarlund HQ140X
Multiple GE P-780's(GREAT BCB Radios)
RCA Victor *Strato- World*
RCA Victor RJC77W-K(Walnut Grain)
1942 Zenith Wave Magnet 6G 601M
Cathedral/ Ross#2311/Rhapsody-MultiBand
DX100/394/398/399/402
OMGS Transistor Eight/Realistic 12-1451
Henry Kloss Model One/Bell+Howell
~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*
Alpha Delta DX Sloper 57ft.
600ft. 12AWG. (non-terminated)
120ft. 12 AWG Sloper
2 Radio Shack Loop Antennas
Radio Shack Amplified Antenna
30X30 DiamondLoop(six section 830pf Cap)
* Diamond Loop mounted to Lazy Susan TurnTable*




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Old April 16th 04, 02:36 PM
David
 
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Default

The AM radio antenna is a high-impedance active antenna system.
That's why the center conductor is so tiny. The impedance converter
transistor is inside the radio. Sometimes there's a trimmer capacitor
to peak AM reception. Google the radio and you may very well get some
service tips.

On 16 Apr 2004 00:47:50 GMT, (RFCOMMSYS) wrote:

My car radio, although good on FM, stinks on MW. It's about as sensitive as a
brick, but I don't want to replace the radio. Does anyone sell a high-gain AM
car antenna?


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Old April 16th 04, 03:39 PM
LW
 
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Default

(RFCOMMSYS) wrote ...

Does anyone sell a high-gain AM
car antenna?


Check out C Crane and also

http://wwww.crutchfield.com

Both of them were offering an improved AM mobile antenna some time back.


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Old April 17th 04, 05:22 AM
RHF
 
Posts: n/a
Default

= = = (Gary) wrote in message
= = = . com...
(RFCOMMSYS) wrote in message ...
My car radio, although good on FM, stinks on MW. It's about as sensitive as a
brick, but I don't want to replace the radio. Does anyone sell a high-gain AM
car antenna?


Many years ago I purchased a coil that installed near the bottom of my
car antenna which drastically increased the signal. I can't find that
item available anymore. I also used a smaller coil that installed
near the top of the antenna. These items were then available at many
auto accessory stores. Also, the ones I have experience with only
worked with non-power rod antennas.


C. Crane Co. - AM/FM Auto Antenna - Purpose: Improve AM reception
on your automobile. Remember: An antenna is more important than
your radio, always!
http://www.ccrane.com/am_fm_auto_antenna.asp
* This Loaded Coil Antenna will improve reception by almost
double on AM and may improve FM.
* Antenna works by increasing the electrical length over your
existing antenna.
* The antenna has a coiled stainless steel spring which will
allow the antenna to bend under the pressure of high speed,
and helps prevent damage.
* Height collapsed is 24" and 54" fully extended.

Signal-to-Noise: Tuner Talk and Car Radio Antennas
http://www.carsound.com/columns/navone/nav0004.shtml
- by David Navone
..
..
Now there is a booster that works on all car antennas.


BOOSTER= http://tinyurl.com/2xazb
http://jcwhitney.1estore.com/moreinf...item=03ZX9401Y
..
..
Just go to: www.jcwhitney.com and do a search
for antenna booster. I have no idea how good these work, but they
don't cost much.


iane ~ RHF

..
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Old April 17th 04, 03:00 PM
David
 
Posts: n/a
Default

As I recall my active antenna theory, you do not want a resonant
stick. Energy transfer actually decreases as the electrical length of
the antenna increases.

On 16 Apr 2004 21:22:57 -0700, (RHF)
wrote:

= = =
(Gary) wrote in message
= = = . com...
(RFCOMMSYS) wrote in message ...
My car radio, although good on FM, stinks on MW. It's about as sensitive as a
brick, but I don't want to replace the radio. Does anyone sell a high-gain AM
car antenna?


Many years ago I purchased a coil that installed near the bottom of my
car antenna which drastically increased the signal. I can't find that
item available anymore. I also used a smaller coil that installed
near the top of the antenna. These items were then available at many
auto accessory stores. Also, the ones I have experience with only
worked with non-power rod antennas.


C. Crane Co. - AM/FM Auto Antenna - Purpose: Improve AM reception
on your automobile. Remember: An antenna is more important than
your radio, always!
http://www.ccrane.com/am_fm_auto_antenna.asp
* This Loaded Coil Antenna will improve reception by almost
double on AM and may improve FM.
* Antenna works by increasing the electrical length over your
existing antenna.
* The antenna has a coiled stainless steel spring which will
allow the antenna to bend under the pressure of high speed,
and helps prevent damage.
* Height collapsed is 24" and 54" fully extended.

Signal-to-Noise: Tuner Talk and Car Radio Antennas
http://www.carsound.com/columns/navone/nav0004.shtml
- by David Navone
.
.
Now there is a booster that works on all car antennas.


BOOSTER= http://tinyurl.com/2xazb
http://jcwhitney.1estore.com/moreinf...item=03ZX9401Y
.
.
Just go to: www.jcwhitney.com and do a search
for antenna booster. I have no idea how good these work, but they
don't cost much.


iane ~ RHF

.




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