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"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. |
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 |
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. |
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! .. |
"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 |
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 =--- |
"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 .. .. |
"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..) |
"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 |
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