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Messages 1962 - 1991 of 3399   Oldest  |  < Older  |  Newer >  |  Newest
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1962
If you are going to locate a station close to a saltwater marsh and and have a good ground( 10 foot copper rod)do you NEED a counterpoise or is it just a good...
Bill Erfurth
rfpexec
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Jan 2, 2008
12:15 am
1963
An SG-230 will be used. If you are going to locate a station close to a saltwater marsh and and have a good ground( 10 foot copper rod)do you NEED a...
Bill Erfurth
rfpexec
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Jan 2, 2008
12:16 am
1964
Hi Steve - I have the MFJ 1788, and it works great when out in the clear (a problem with it is that it is very sensitive to any metal nearby, which in my case,...
beltran_thomas
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Jan 2, 2008
2:33 am
1965
Where does one buy a TEN foot copper rod? The longest I have ever seen is 8 feet. To: Smartuners@yahoogroups.com From: iamw7gsa@... Date: Mon, 31 Dec...
John Champa
k8ocl5
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Jan 2, 2008
4:01 am
1966
Hi John! 10' Ground rods can be purchased at almost any good electrical supply house. For example:...
K7WFR
spider85344
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Jan 2, 2008
12:51 pm
1967
Jim, Thank you for that info. Guess I need to shop at somewhere other than Home Depot (HI). I put ground rods in with water. Dig a small hole and fill it...
John Champa
k8ocl5
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Jan 2, 2008
3:18 pm
1968
I'm interested in small, magnetic loop antennas. If anyone has some relevant experience to share here, I'd appreciate it. [snip] Magnetic loops don't need...
QRP_1@...
kc8aon
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Jan 3, 2008
12:35 am
1969
I put ground rods in with water. Dig a small hole and fill it with water. Insert the rod as far as you can by hand, and then pull it out most of the way....
QRP_1@...
kc8aon
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Jan 3, 2008
12:35 am
1970
Where does one buy a TEN foot copper rod? The longest I have ever seen is 8 feet. [snip] On the subject of RF grounds, I once read an article where the US...
QRP_1@...
kc8aon
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Jan 3, 2008
12:35 am
1971
Well, actually, I got mine from a scrap metal dealer. You should also be able to get one a a regular plumbing supply house. Bill...
Bill erft
rfpexec
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Jan 4, 2008
3:13 pm
1972
Hi Rick, I thought you were not suppose to solder the connection to the ground rod because in. case of a strike, the solder some how crystalizes. At least that...
Bill erft
rfpexec
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Jan 4, 2008
3:14 pm
1973
Lowes and Home Depot have them too as well as the ground connector 'bugs' Copper clad steel is what they sell....
Chris
kngsqueak
Online Now Send Email
Jan 4, 2008
3:28 pm
1974
Bill, It is OK to solder the the connection to the ground rod as long as that is NOT the mechanical means by which the connection is held in place. A listed...
John Champa
k8ocl5
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Jan 4, 2008
4:36 pm
1975
Gentlemen, I agree with John but the reason being solder will melt very fast in the event of a strike, like explosive vapor, 73 Dave ... From: John Champa To:...
n0ath
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Jan 4, 2008
4:43 pm
1976
These connections are to be cadwelded ... From: Smartuners@yahoogroups.com [mailto:Smartuners@yahoogroups.com] On Behalf Of John Champa Sent: Friday, January...
Buz Mills
gunsite6
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Jan 4, 2008
5:13 pm
1977
I am finally trying to put my new SG-237 and 160 meter horizontal loop on the air. I have problems and not sure what to do next. The 237 will tune the loop 1:1...
wb4ydy2
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Jan 12, 2008
8:05 pm
1978
Pete, That is strange! I used a similar set up at my old QTH with a SG-239 in a painted plastic box (to prevent UV damage to the plastic), and it worked...
John Champa
k8ocl5
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Jan 12, 2008
9:38 pm
1979
Smartunersi'd say scrap the idea and turn the loop into end -fed,,,,, works very well here on all bands.... just make sure you got good earth/c-poise system ...
stefan allum
stefanallum
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Jan 13, 2008
1:26 pm
1980
... Pete, Try adding around 30 feet to the loop. and/or Try shortening or lengthening the ladder line. Paul, N4LCD...
Paul@...
n4lcd
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Jan 13, 2008
7:12 pm
1981
Thanks for your response, Paul. I am trying to decided which to change, the loop or feedline. Both lengths fit my space just about perfect now. The feedline...
wb4ydy2
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Jan 13, 2008
8:16 pm
1982
I wonder if RF is getting into the feedline and/ or 12 VDC power line? Perhaps simply adding a ferrite clamp-on RF choke where the coaxial cable/ power line...
John Champa
k8ocl5
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Jan 13, 2008
8:41 pm
1983
Hi John, I'm not sure I follow your thinking. If you are suggesting the chokes for the BC interference, that problem is on RX. It is not from MY RF and the...
wb4ydy2
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Jan 13, 2008
8:57 pm
1984
Pete, No. I am suggesting the chokes for your RF. Perhaps because of the high SWR your RF is getting back into the control circuits of the tuner! See this...
John Champa
k8ocl5
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Jan 13, 2008
9:38 pm
1985
Just a thought. Your SG-237 may be a bit confused as to how to find a match with this antenna. You might want to try connecting a completely different...
Mark Spencer
mspencer12345
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Jan 13, 2008
11:37 pm
1986
Mark, Aside: Did the extra radials give you better performance? How many before and after? Thanks, John, K8OCL To: Smartuners@yahoogroups.com From:...
John Champa
k8ocl5
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Jan 14, 2008
12:54 am
1987
John: The extra radials seemed to make a noticeable difference. (I can't really quantify the difference but the antenna seems to work better now.)...
Mark Spencer
mspencer12345
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Jan 14, 2008
1:45 am
1988
... Pete, Try adding around 30 feet to the loop. and/or Try shortening or lengthining the ladder line. ....
Paul@...
n4lcd
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Jan 14, 2008
3:04 am
1989
I have an SGC-230 tuner matching an end fed, 100ft, random wire antenna against a pretty good net of grounds. Recently, I had to replace my RF sense diodes....
kevin4617
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Jan 15, 2008
2:00 am
1990
Where is that reset, anyway? Is it inside, or is done with the smartlock controller? Joe N1KHB In a message dated 1/14/2008 9:00:38 P.M. Eastern Standard Time,...
N1KHB@...
n1khbjoe
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Jan 15, 2008
3:57 am
1991
I have allways thought that the memory was re-set by just removing the power supply to the SGC230 tuner ?. Geoff - G0BYH...
Geoff - G0BYH
geoff17344
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Jan 15, 2008
10:35 am
Messages 1962 - 1991 of 3399   Oldest  |  < Older  |  Newer >  |  Newest
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