Hi All, Also use the largest diameter wire that you can - it helps and I've done it on my ALA-100L's. Don WPC6NDB Upland, CA 34.10 -117.63 1250ft R-75 w/250Hz...
9198
leo
kg6wni
Jul 10, 2012 9:02 pm
I'm lost when it comes to loops but I found this. I don't remember where but it might help someone. Look in the file section the name is HF antenna cookbook ...
9199
alienrelics
Jul 10, 2012 9:50 pm
Nice! I took the space out of the file name so it is easier to link to it, and changed the capitalization. ...
9200
dx11
ts6023
Jul 11, 2012 8:04 am
The webSDR of the Univerity of Twente has been inactive since november because of lack of an antenna facility. It's back on the air right now!, WebSDR on eight...
9201
Bruce Carter
rbrucecarter
Jul 11, 2012 12:41 pm
It is a good thing you archived this document here, the RFID group at Texas instruments was shut down over three years ago - everybody went in the massive lay...
9202
enriqueeeeee2001
enriqueeeeee...
Jul 11, 2012 8:52 pm
Thank you Ron and Don for the advices, I have already received the ALA100LN, next week I will try it. Regarding the wire, I have been surfing the web and some...
9203
Andy Ikin
andrewikin
Jul 11, 2012 10:29 pm
Juan, The ALA100LN I sent to you was a special extended HF version (JFET/Bipolar cascode). Therefore, there may be a problem with loop to screen capacity...
9204
Ron
dxnature
Jul 12, 2012 10:24 am
Andrew, On this moment the ALA100LN - shielded loop is my best antenna besides my beverage, the 10 by 4 meters FLG100LN is the inferiour antenna at the moment....
9205
enriqueeeeee2001
enriqueeeeee...
Jul 12, 2012 10:57 am
Hello Andrew, I will try with a single loop (8 m) and with two turns (4x4) in the same pole I have the 330S. Any chance in getting your old APU-100 antenna...
9206
Lew
nokia6210male
Jul 12, 2012 12:25 pm
and still waiting... What's the point in someone advertising something saying how good they are, waits a few months and posts it again, and then posts on other...
9207
Andy Ikin
andrewikin
Jul 12, 2012 1:18 pm
Ron, The ALA100LN has higher gain than the FGL100LN Flag antenna because the Flag has a higher loss due to the termination resistor. The Flag antenna loss is...
9208
alienrelics
Jul 13, 2012 4:26 am
Perhaps you should try emailing him directly, if you haven't done so yet. Steve Greenfield AE7HD...
9209
Ralph
ralphperry
Jul 16, 2012 11:43 am
Gents, I've built a 5' square loop, framed in 1" PVC and amplified via a Ramsey AA broadband amplifier. In tests so far, it has provided me very nice, clean...
9210
John Popelish
jpopelish
Jul 16, 2012 2:07 pm
... Even wire as small as used for a doorbell would carry this small current for 50 feet with only a fraction of a volt lost to resistance. And that can be...
9211
Don
dtmknsn
Jul 16, 2012 4:12 pm
You could run the 9vdc on the coax and block it at both ends with capacitors so it does not enter the RF out of the Amp or the RF input to your radio. Don...
9212
Benoît Mangin
f8gry
Jul 31, 2012 8:41 pm
Good evening all, Â I'm in trouble using all my loop calculation softwares under windows seven. My favorite, rjeloop3 (from the zerobeat download page) just...
9213
qrp.gaijin
Aug 1, 2012 10:50 am
... Are you talking about a small loop (magnetic loop) antenna? If so, I use 4nec2 for this sort of thing. It can load EZNEC files. The following post contains...
9214
Benoît Mangin
f8gry
Aug 1, 2012 4:20 pm
OK, Â For modelling purposes I use MMANA, because of the graphical functionalities of the thing. But modeling a octogonal 25 turns 2m diameter loop takes some...
9215
enriqueeeeee2001
enriqueeeeee...
Aug 5, 2012 6:23 pm
Hello, I have already intalled my ALA 100LN on the roof. It is a 21 m loop in a single turn. It offers a big signal on MW and LW frequencies, I would need more...
9216
brian nsl
brian.nsl...
Aug 6, 2012 10:11 am
Hi, Interesting comments, will your three turn loop have spaced wires or just a bundle ????? A nice size antenna to rotate. 72, Brian, GØNSL. ... From:...
9217
enriqueeeeee2001
enriqueeeeee...
Aug 6, 2012 4:31 pm
Hello Brian, Spaced at least 3-4 inches and triangular in shape. 6,3 metres each turn, maybe I will have to use two turns if overloads. I will start the...
9218
brian nsl
brian.nsl...
Aug 6, 2012 4:46 pm
Hi, Thank you for the mail and comments. Having acquired an ALA-100LN last week from Andy it is similar to the idea I have for a rotating antenna. I will send...
9219
yb2aro
Aug 12, 2012 3:09 pm
Looking for a schematic for the Palomar LA-1 loop antenna base. I picked one up at an estate sale and the smoke had been previously let out. tnx de Robert,...
9220
David
d_castor1976
Aug 16, 2012 11:28 pm
All, I restore antique radios, and the one I opened up last night has a problem I haven't seen before. The Ferrite Rod antenna broke lose and some of the...
9221
dx11
ts6023
Aug 17, 2012 11:25 am
Hi Dave, Perhaps you could meaqsure the length of the wire that came unwound from the rod. Together with the diameter of the rod you can calculate the maximum ...
9222
toddroberts2001@...
roberts50000
Aug 17, 2012 12:25 pm
Even if some of the windings came loose off of the ferrite rod is the wire still there and intact? You could take the wire and rewind it over the rod just so...
9223
Dave Castor
d_castor1976
Aug 17, 2012 3:21 pm
I considered that idea, but it's not clear how much was previously wound on the core and how much was used as a lead. I haven't been able to determine where...
9224
nn4zz
Aug 17, 2012 11:58 pm
If you have one of these towers you might be interested in joining a new discussion group, here is a link: http://groups.yahoo.com/group/CrankupTiltoverTowers/...
9225
Rick Karlquist
n6rk
Aug 18, 2012 12:35 am
There is already a well established discussion group about towers: towertalk@... that you have posted to. Can you tell us why another tower...
9226
nn4zz
Aug 18, 2012 5:02 am
Hi Rick, Nothing wrong with tower talk but the new group is just for tiltover towers. There seems to be a lot of interest in this subset. We have added over...
