... it, ... Not sure Dave, it happened during bench testing using an IC706 and a light bulb load. Maybe a spike from the old 706? Changing subject slightly, it...
But Chris was not using an antenna. Maybe it was staitic buildup on the light bulb dummy load :-) John ... discharge any static build on the antenna.... ... ...
I could use some help! I installed a 237 in the corner of my attic (only place to have an antenna due to restrictions) feeding a 94' loop of 14 awg wire that...
Hi, Do you have a single story or multi-story house. If it is a single story hours, the antenna may not be high enough. Try stringing a 75 to 80 foot VERTICAL...
I bought a Fisher 34 motorsailer and it came with a SG230 and a SG2000, but the equipment was not installed. I've read about grounding the coupler to the motor...
Dom, Congratulations on the boat and the radio system! I will assume that you are planning to use the radio for both Marine off-shore, and ham radio use. As...
Michael, Very nice professional installation. Thank you very much for providing the photo link. You have given me great ideas for my own install. Any...
That's a nice installation there, very nice job. I would suggest to run a thin bead of clear silicone around the gasket seal of the 237 housing due to some...
Gene, Greetings. I looked at the Shakespeare site you listed. There is the 23 foot classic and the 17 foot Galaxy. The Galaxy is twice the price. Is it...
Dom, There are a number of HF antennas from Shakespeare, including a few different 23 foot designs. The 390-1 is a 23 foot design with mount and lists for...
Greetings Antenna Tuners. I have been using an SGC-239 for about a year on a variety of base antennas (end fed wires, center fed doublets). It has performed...
My Apologies, I found the diagrams and manual as needed -- posted too soon! So has anyone on here done component level troubleshooting on a 239? I'm about to...
... I was thinking of making a rain guard, maybe something in a blow moulded clear acrylic/plexiglass style. I've lubricated my seal up with silicone grease...
... Hi Jim, I used existing threaded mounting holes in the aluminum plate (I originally used an Icom AH-4 tuner). There was no other reason than it was easier...
I'm curious how you'll find the performance of the 237 compared with the AH-4. I run a 237 in a Jeep and just installed an AH-4 with a long wire at a buddy's...
... I found the AH-4 woeful with the short whips required on a mobile HF station. Even a 9' CB whip didn't really work very well. It tuned OK, but it just...
... Hi Jim, That is for the Australian/New Zealand UHF CB band. It is a unity gain coaxial dipole antenna made by GME in Australia. GME is the last Australian...
Hello everyone,,, i'm stef from the uk (G1 NRL)... i've just got a 237 and not used it yet,,, its going to be used at home rather than mobile,,,, but i have a...
For mobile use with a whip, you feed the whip as though it were a wire. The ground on the tuner gets grounded to the vehicle chassis. If you notice the top of...
Hi Stef, Some suggestions for you: 1) Don't ever attach coax to output connections on a smart tuner. It defeats the purpose of the tuner. 2) Locate the smart...
I am new amature radio and the group and have a question. I have a 40' wire in my attic attached to the power side of a SGC-237 working against a 94' wire...
I run my 237 mobile with a 102" whip and alternately a 3' mast extension to enhance 40m (works nicely for that). With the mast extension it won't tune up for...
... Frank, Your 40' wire is basically 2 waves at 50 mhz which would most likely show a fairly high impedance on 6 meters - try lengthening the wire to 44' and...
Hello Gang, Don't own an autotuner from SGC yet, but thinking of getting a 237 in the near future. What I'm wondering is, has anyone used the 237 with a 22'...
Gang, Forgot to add the fact that you can get aluminum tubing that fits one inside the other at most Lowes home improvement stores. I think it comes in either...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Smartuners group. File : /2TLOOP.jpg ...
Smartuners@yahoogroup...
Sep 9, 2007 9:34 pm
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We use a 30 ft radiator with great success and also have tried 20 ft and it works well just remember to use some radials and good grounding both with the 237...
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