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Author Topic: Screwdriver Tuner  (Read 6691 times)
K9OF
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Posts: 34




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« on: December 17, 2014, 07:53:27 AM »

I have read many bad things about the N2VZ product. HRO no  longer carries it.

What is available today that hooks to your  HF mobile and tunes your screwdriver antenna?

John, K9OF
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K7JQ
Member

Posts: 1271




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« Reply #1 on: December 17, 2014, 10:14:59 AM »

John,

Google "screwdriver antenna controller". There's a bunch of 'em...MFJ, Ameritron, West Mountain Radio, etc.

Bob. K7JQ
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K0BG
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Posts: 10248


WWW

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« Reply #2 on: December 17, 2014, 12:30:03 PM »

The Turbo Tuner 2 works fairly well, but is only sold by one outlet.

The TuneMatic has some teething issues, but I'm sure they'll them worked out soon. I don't know who all is selling it at this time, other than direct.

The West Mountain TargetTuner is getting mixed reviews, and the latest firmware hasn't solved all of the issues, so I am told.

Most of the MFJ/Ameritron stuff is just passible, as they rely on the tunes counter except in one or two models. When you use a turns counter unit, you have to be even more careful about proper choking of the motor leads, and coax cable (common mode choke).
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K9OF
Member

Posts: 34




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« Reply #3 on: December 22, 2014, 02:48:09 PM »

Thanks, Alan - just what I was looking for.

Guess I'll let this technology cook in a little longer! 

Merry Christmas!
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M6GOM
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Posts: 1050




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« Reply #4 on: December 22, 2014, 07:09:18 PM »

Kenwood TS480 with the PF key set to CW Tune and a rocker switch. Sorted.  Grin
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AD5TD
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Posts: 152




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« Reply #5 on: January 31, 2015, 07:09:42 PM »

I have the Ameritron 102 and it seems to work acceptable. As Alan said I had to install a 6" eight turn coax choke and the control cable comes with a good snap on type choke. I made mine with a 6" PVC threaded collar and an end cap which I scewed to the inside of my pickup bed. I also ran all the turns though a ferrite toroid for Google measure. I still had problems with the LDG FT meter picking up RF, but another toroid fixed that.

Install wasn't bad and set up was easy. I have a Palstar 150M mobile watt meter to watch over things. All I need do is punch a button and then "trim it up" for transmission.
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K9OF
Member

Posts: 34




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« Reply #6 on: February 10, 2015, 09:22:44 AM »

Thanks! I gonna look'em all over at Orlando this week end.

73,  K9OF
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