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Brenda Ann March 1st 04 10:07 AM


"donutbandit" wrote in message
...
"King Pineapple" wrote in
hlink.net:

http://www.selectatenna.com/


Obviously, the receiver has no antenna input jack. Thus throw all the loop
antenna suggestions out the window, unless you want to try and teach him
how to make a ferrite bar coupling loop.

People should take time to read thoroughly before they post solutions that
won't work.

The long wire inductively coupled is the best solution for his problem,

not
a loop or a new radio.


The Select-a-Tenna (at least the model I have) works wonderfully on radios
with no external antenna connections. Indeed, there is no way to connect it
to the radio directly, you just set it by the radio and tune it.




Doug Smith W9WI March 1st 04 12:03 PM

donutbandit wrote:
http://www.selectatenna.com/


Obviously, the receiver has no antenna input jack. Thus throw all the loop
antenna suggestions out the window, unless you want to try and teach him
how to make a ferrite bar coupling loop.

People should take time to read thoroughly before they post solutions that
won't work.

The long wire inductively coupled is the best solution for his problem, not
a loop or a new radio.


The Select-A-Tenna couples inductively to the radio. (there's a deluxe
model that does offer a direct connection to an antenna input jack)
I've seen it in use, and it *does* work as advertised. It's no
substitute for a Beverage, but it's a worthwhile improvement.

--
Doug Smith W9WI
Pleasant View (Nashville), TN EM66
http://www.w9wi.com


CAndersen (Kimba) March 1st 04 12:14 PM

donutbandit wrote:

Obviously, the receiver has no antenna input jack. Thus throw all the loop
antenna suggestions out the window


All Select-A-Tennas, the Radio Shack loop, and the Crane antenna all work
with any AM radio that has no antenna input terminals.

All three types, with the exception of the most basic Select-A-Tenna, also
can be connected to antenna input termnials.


--
Reply address munged. You can figure it out.

RHF March 1st 04 12:56 PM

CR,

If it is one specific AM/MW Radio Station that your are interested
in then consider a Fixed Turned and Fixed Postioned Loop Antenna.

* Use your Closet Door (Back-of-Door) as "Super Loop" Antenna
[For Distance Sports/Talk Radio in the 150 Mile Daytime Range.]
http://www.hard-core-dx.com/nordicdx...oop/loop5.html
- Six to Seven Turn Tri-Angle Shaped Loop Antenna
- Two Foot Base with two equal Legs of Six Foot
- Fixed Capacitor(s) for single station tuning.

* How to Get Better AM Radio Reception
http://geocities.com/SunsetStrip/Tow...2/amradio.html

* AM ANTENNAS
http://www.abc.net.au/reception/radio/am_antenna.htm

* AM/MW Antenna Booster
http://www.abc.net.au/reception/radi...htm#am_booster

* AM/MW Loop Antenna Coupler
http://www.webex.net/~skywaves/ANTENNA/antsys.htm#loop

* AMANDX - presented by Shawn Axelrod
Build a Three or Four Foot Box Loop for the AM/MW Broadcast Band
http://www.angelfire.com/mb/amandx/loop.html
http://www.carcanada.net/dx/donloop.html
http://www.mindspring.com/~loop_antenna/

* The Australian One Metre (1m) Loop Antenna - by Werner Funkenhauser
http://www.hard-core-dx.com/nordicdx...op/1mloop.html
http://www.hard-core-dx.com/nordicdx...op/rnloop1.gif

iane ~ RHF
..
..
= = = "Corbin Ray" wrote in message
= = = ...

As a salesman, I'll work a particular region for several
weeks, and sometimes I get addicted to a particular radio
show. This summer, my day wasn't complete unless I listened
to Glenn Beck. Sometimes he would make me laugh so hard I
couldn't stand myself.

Then I had to start working from my house, and I knew
I couldn't pick up his show any more. Then it hit me that
some radio stations offer Real Audio streams. That worked
perfectly! I could get his show loud and clear, even
though the nearest affiliate was a 5kw AM station over
150 miles away. Sure it was cheating because I believe
in pure dxing without any external wires or anything,
but I justified it by reasoning that I was just trying
to hear a particular program and not a particular station.

So Jay, maybe you can cheat and do it like I did!

..

Frank Dresser March 1st 04 02:39 PM


"donutbandit" wrote in message
...
"King Pineapple" wrote in
hlink.net:

http://www.selectatenna.com/


Obviously, the receiver has no antenna input jack. Thus throw all the

loop
antenna suggestions out the window, unless you want to try and teach

him
how to make a ferrite bar coupling loop.


A loop antenna will couple very well to a radio's internal antenna.
Another coupling loop is an unnecessary complication.


People should take time to read thoroughly before they post solutions

that
won't work.


People should try putting the radio and loop antenna on a lazy susan for
easy rotation. It works great -- it really does!


The long wire inductively coupled is the best solution for his

problem, not
a loop or a new radio.



The loop antenna inductively coupled to a radio's internal antenna is
the best solution for someone who wants a selective compact antenna with
reasonable gain.

Frank Dresser



Tony Meloche March 1st 04 03:01 PM



Brenda Ann wrote:

"donutbandit" wrote in message
...
"King Pineapple" wrote in
hlink.net:

http://www.selectatenna.com/


Obviously, the receiver has no antenna input jack. Thus throw all the loop
antenna suggestions out the window, unless you want to try and teach him
how to make a ferrite bar coupling loop.

People should take time to read thoroughly before they post solutions that
won't work.

The long wire inductively coupled is the best solution for his problem,

not
a loop or a new radio.


The Select-a-Tenna (at least the model I have) works wonderfully on radios
with no external antenna connections. Indeed, there is no way to connect it
to the radio directly, you just set it by the radio and tune it.



Yep - I have one too, and it's a completely passive device (though
they do make a powered version of it, but I've read it's a waste of
money). Select-a-tenna is placed in-line with a loop antenna, and at a
90 degree angle to a ferrite bar antenna. It helps a lot at night, but
it helps *dramatically* during daylight hours. I really like mine.

Tony


----== Posted via Newsfeed.Com - Unlimited-Uncensored-Secure Usenet News==----
http://www.newsfeed.com The #1 Newsgroup Service in the World! 100,000 Newsgroups
---= 19 East/West-Coast Specialized Servers - Total Privacy via Encryption =---

RHF March 1st 04 09:35 PM

"Brenda Ann" wrote in message ...
"donutbandit" wrote in message
...
"King Pineapple" wrote in
hlink.net:

http://www.selectatenna.com/


Obviously, the receiver has no antenna input jack. Thus throw all the loop
antenna suggestions out the window, unless you want to try and teach him
how to make a ferrite bar coupling loop.

People should take time to read thoroughly before they post solutions that
won't work.

The long wire inductively coupled is the best solution for his problem,

not
a loop or a new radio.


The Select-a-Tenna (at least the model I have) works wonderfully on radios
with no external antenna connections. Indeed, there is no way to connect it
to the radio directly, you just set it by the radio and tune it.


BA,

Check-Out the "Select-A-Tenna" (SAT) Model 541-M

SAT= http://www.selectatenna.com/

"This is the second generation of Select-A-Tenna. It has the
same intrinsic +30dB signal strength improvement and features
as the basic 541 model. In addition, a jack on the front panel
allows the unit to be connected to either an outside long wire
and ground, or as an alternative, directly connected to a
radio's antenna and ground terminals when the radio has no
internal ferrite rod antenna."

iane ~ RHF

..

..

Brenda Ann March 1st 04 11:57 PM


"RHF" wrote in message
om...

Check-Out the "Select-A-Tenna" (SAT) Model 541-M

SAT= http://www.selectatenna.com/

"This is the second generation of Select-A-Tenna. It has the
same intrinsic +30dB signal strength improvement and features
as the basic 541 model. In addition, a jack on the front panel
allows the unit to be connected to either an outside long wire
and ground, or as an alternative, directly connected to a
radio's antenna and ground terminals when the radio has no
internal ferrite rod antenna."


Sweeeeeeet.... ya know, I could add that feature to my old 541, if I could
once figure out how to open it up to add the few turns of wire to the ground
end of the loop... but it appears the beastie is glued together.... (I could
sure use a longwire connection to it, too.. AM reception inside our building
runs from terrible to hideous to non-existant..)



Mark Keith March 2nd 04 04:44 AM

"Jim" wrote in message ...
You can build your own but it's actually not worth it.
--
Ron Hardin



I beg to differ about loops that you build are not worth it.
I designed and built many MW loops that are as good or better in some ways
that the Kiwa loop. The problems with homemade loops is poor construction.
This link has pictures of loops that I built.
http://www.frontiernet.net/~jadale/M...20Antennas.htm

Jim


I agree....My homemade loops are better for my uses than what you can
buy. I can design any feature I want, and generally they are bigger
and deliver more voltage than most storebought. I built two more loops
yesterday just farting around. "Both for longwave". Maintaining
balance is the secret to success. Also, I did an experiment on mine a
couple of days ago. I've been using a simple coupling loop on mine
lately, but do have a shielded coax coupling loop also. "IE: the coax
shield is cut in the middle at the top". One had mentioned an
advantage to using a shielded loop vs a non shielded. Well, I tried
both feeding my 12 turn 16 inch round loop. No difference whatsoever
in noise, or null depth. I had never noticed much difference with
single loops of each type either if you were careful to detail.
So far, I have not been able to see much of an advantage to a shielded
loop vs unshielded as long as you are careful with balance. They seem
to work about the same here.
I'll never buy any antenna. For the prices they charge for a loop, I
could build a house full of them, and do. I noticed the guy that makes
the little wooden ones, and sells on e-bay got like about $85 for the
one he listed recently. Good grief...Most of the money is for the
fancy woodwork I assume..But electrically, his loops are inferior to
my mine. Mine was free, except for the price of the wire. I know of
no storebought loop that provides the exact performance of my usual
"general use" 16 inch loop. IE: provides coverage from 500-2000 hz to
include 160m. The freq coverage of the one on e-bay was less as an
example.
But I do agree on one thing. Properly built, a loop is a loop is a
loop. If you have one that is working well on a certain freq, and has
good nulls and enough voltage, there is little to gain by trying
another one. My next project??? I wanna design a *small* terminated
loop if it's possible. Kind of a rotatable *baby* K9AY loop. I'm not
sure if it will work or not though. I'm wondering if it's feasable to
terminate a normal multi-turn loop, and make it unidirectional by
inserting a terminating resister on one side. I really need a ground
point to tie the terminating resister to...Maybe not, as so far I have
trouble making it work. If not, I'll try building a normal smaller
K9AY outside I guess...
Oh yea...A last comment...Long wires on MW are just great if you like
4 stations at one time...:/ A loop is much better if you want
directivity and the ability to null out unwanted stations or noise.
MK

Mark Keith March 2nd 04 04:55 AM

(RHF) wrote in message . com...

- Fixed Capacitor(s) for single station tuning.



Speaking of fixed caps...Some of my 160m buddies and buddetts are
building loops for receive purposes. Some have wondered about
caps....I've never tried it, but for fixed single freq use, I don't
see why a length of coax couldn't be used. IE: lets say you had a loop
that needed about 75 pf to tune. RG-8 is appx 30-31?? or so pf a foot.
About a 3 ft piece *should* work. Or seems to me anyway...I prefer
variables, but this coax cap method might could work for someone that
needs a quicky cap, and has none at hand. MK


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