Skip to search.

Breaking News Visit Yahoo! News for the latest.

×Close this window

S9Antennas · LDG S9Antennas

The Yahoo! Groups Product Blog

Check it out!

Group Information

? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Hear how Yahoo! Groups has changed the lives of others. Take me there.

Messages

Advanced
Messages Help
Messages 1537 - 1568 of 2157   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand Author Sort by Date ^
1537 oweninnh Send Email Jun 3, 2012
2:56 pm
Good morning to the group... Pretty much new ham here and I need some advice. I'll be buying a S9 and the radial plate in the near future, my question is...
1538 beargyrils@...
pileupjunkie Send Email
Jun 3, 2012
3:11 pm
Owen, You don't have to use steel. Just buy a short piece of aluminum flat stock from the local hardware store. It;s soft and you may just be able to bend it...
1539 Ron Bean
kj5xx@ymail.com Send Email
Jun 3, 2012
3:13 pm
In my case, my coax connects to an Unun which has its own so-239, and terminal for radials. Are you planning to use the antenna on multiple bands or only one...
1540 oweninnh Send Email Jun 3, 2012
7:01 pm
Thanks to you guys, I think I'm getting the picture. I'll need a 1:1 choke balun (same as 1:1 current balun LDG has?). That seems to have two wire inputs and a...
1541 Ron Bean
kj5xx@ymail.com Send Email
Jun 3, 2012
7:23 pm
Owen : Just so you know a baling and an unun are two different things. Were you planning on using a tuner? And which S9 were you purcashing. Take advantage of...
1542 beargyrils@...
pileupjunkie Send Email
Jun 3, 2012
7:39 pm
How did you guys come out with the tuner boxes? With bands being so bad i'm waiting to see Ron?,who is working up that 43 foot S9. You guys are lucky you have...
1543 Clyde Campbell
multiguy561 Send Email
Jun 3, 2012
7:41 pm
Than would be a a Balun ( balanced to unbalanced) and an Unun (unbalanced to unbalanced). The units supplied are rated at 200 wasts and are the same for all...
1544 oweninnh Send Email Jun 3, 2012
7:43 pm
The LDG site says: " A 1:1 choke balun is recommended to prevent RF from entering your shack via the coax outer shield." So I guess that's what I'll need. I've...
1545 Ron Bean
kj5xx@ymail.com Send Email
Jun 3, 2012
8:10 pm
Owen: I can see where the confusion comes in, and you have to "read the fine print" and read their entire recommendation. The answer is sort of an "it ...
1546 Ron Bean
kj5xx@ymail.com Send Email
Jun 3, 2012
8:13 pm
Spot on Clyde - funny, I was about to send out a post clarifying the difference - you said it perfectly. Taking Clyde's excellent post just a step further - an...
1547 oweninnh Send Email Jun 3, 2012
8:49 pm
Thanks everybody !!! Your help and advice has been truly appreciated ... You've got me straightened out. 73, Owen KJ4YAC (and I may be back for more advice as...
1548 jo01_je02@...
mckenzie_joan Send Email
Jun 4, 2012
2:28 am
Speaking of UNUNs, the 9:1 looks *very* interesting. See: http://www.karinya.net/g3txq/unun/ I think you can buy one for abt $50. Wish someone would try it...
1549 Ron Bean
kj5xx@ymail.com Send Email
Jun 4, 2012
3:05 am
Jess: Yeah, this is a very cool webite. Guy did some amazing research on toroids and various core mixes. I found this site when I was researching UNUNs too....
1550 Ron Bean
kj5xx@ymail.com Send Email
Jun 4, 2012
3:15 am
One thing he does mention in the article is the the power (heat) dissipation ability on the T-200-2 where he says " a loss of 0.4dB means that the safe power...
1553 jo01_je02@...
mckenzie_joan Send Email
Jun 4, 2012
4:03 pm
Excellent point, Ron, and a lesson learned for all of us. Here's a commercial model that'll take 300 w (claimed): ...
1554 jo01_je02@...
mckenzie_joan Send Email
Jun 4, 2012
4:04 pm
A few of you smart folks may already know about this. I never heard of it before stumbling on it today. Think 160m. Very interesting toroid transformer...
1555 John
jckincy Send Email
Jun 5, 2012
5:06 pm
This resembles a "cobra" antenna which is a short dipole. I did something like this with some of my radials. I cut 16 at 26 feet but my space would not allow...
1556 jo01_je02@...
mckenzie_joan Send Email
Jun 5, 2012
7:48 pm
John, I understand that this system is a "tuned" radial type; i.e., meant to be suspended *above* the actual ground. That is illustrated --See "K2AV FCP...
1557 James Rodenkirch
james_rodenk... Send Email
Jun 5, 2012
7:57 pm
I don't know that this statement - with ground radials, like you and i have, tuning doesn't seem to be important You just need to "copper plate" the ground,...
1558 jo01_je02@...
mckenzie_joan Send Email
Jun 5, 2012
9:48 pm
I really don't understand, Jim. Are you saying that your system is *not* tuning well? I'd better wait for an answer before opining. 73...~jess, AF5X To:...
1559 James Rodenkirch
james_rodenk... Send Email
Jun 5, 2012
9:59 pm
Jess: you said this --- with ground radials, like you and i have, tuning doesn't seem to be important. You just need to "copperplate&quot; the ground......... I...
1560 jo01_je02@...
mckenzie_joan Send Email
Jun 5, 2012
11:22 pm
Jim, Long and sad experience teaches me that most arguments are based on two or more interpretations of the same language, so I'm glad to share my own...
1561 James Rodenkirch
james_rodenk... Send Email
Jun 5, 2012
11:35 pm
OK - understand your "tuning" comment. Notes: - You said, "By some rules of thumb, radials on/under the earth should be as long as the vertical is tall, and...
1562 jo01_je02@...
mckenzie_joan Send Email
Jun 5, 2012
11:55 pm
Maybe you and I read too much, Jim...;-) BTW, the "need to be tuned" statement is something I read in the Butternut instructions. You've probably read it too....
1563 jo01_je02@...
mckenzie_joan Send Email
Jun 6, 2012
3:49 am
I forgot to add that many have reported data to show that the number and length of radials required by ground- mounted verticals is a direct function of soil...
1564 jo01_je02@...
mckenzie_joan Send Email
Jun 6, 2012
3:09 pm
I have a British acquaintance, a professional radio engineer who knows quite a bit about installing verticals. A while ago, I asked him for advice on coax...
1565 Dwayne
ldgelectronics Send Email
Jun 6, 2012
5:39 pm
Jess, We've had this exact conversation many times on the LDG Tuners Group. As you have noted, the math does not lie and you are exactly correct. The info to...
1566 jo01_je02@...
mckenzie_joan Send Email
Jun 6, 2012
11:49 pm
Dwayne, I haven't placed the ATU at the ANT yet, because I want to make sure the box doesn't leak...;-) But I intend to. In the meantime, I've collected...
1567 Dwayne
ldgelectronics Send Email
Jun 7, 2012
1:52 am
Hi again Jess, Yes, that was probably me on the e-mail. I wear a few hats! I was not referring to technical criteria, but more on how the individual feels...
1568 James Rodenkirch
james_rodenk... Send Email
Jun 7, 2012
1:58 am
I know this going to sound like I'm challenging your numbers, Dwayne, but......are you saying that there's a 0.1db difference in loss for an autotuner, in the...
Messages 1537 - 1568 of 2157   Oldest  |  < Older  |  Newer >  |  Newest
Add to My Yahoo!      XML What's This?

Copyright © 2010 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines NEW - Help