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Author Topic: Chameleon EMCOMM2  (Read 12254 times)
KK4CPH
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Posts: 154




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« Reply #75 on: January 22, 2013, 08:50:29 PM »

Phil, thanks for the info.  My tuner does not have a balanced line input. I'll bring the ladder line right up to my house and from that point its about 6' of coax to my rig. This setup will be a major improvement over my current one which is a 31' vertical that's 150' away. It has been frustrating especially since antenna's are my weak point. That's why I was looking at the Chameleon thinking it would be a quick & easy way.  I learned with CW there's no such thing.  Now it just needs to warm up so I can do this. (Of course an ice storm would "test" my installation)
73,
Eric
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N4CR
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Posts: 1672




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« Reply #76 on: January 23, 2013, 04:38:45 AM »

Phil, thanks for the info.  My tuner does not have a balanced line input. I'll bring the ladder line right up to my house and from that point its about 6' of coax to my rig. This setup will be a major improvement over my current one which is a 31' vertical that's 150' away.

If you could get something like this... (that was 275 watts fully modulated AM, for SSB that's just less than a kilowatt)

http://www.ebay.com/itm/Johnson-Viking-275-Watt-Matchbox-Antenna-Tuner-/321060106970

...you'd have what is considered one of the best (high efficiency) ways to drive balanced lines, a link coupled tuner. I shopped for some time and got the smaller Johnson Matchbox for around $100. I run my Collins 30L-1 amp through it often and it handles that just fine. It's great for tuning a ladder line fed doublet. Johnson also made a kilowatt tuner. A kilowatt of AM is way past the capability of our 1500 watt limit on SSB.

Or there are plenty of plans for building your own link coupled tuner.

http://www.pituch.net/Steve%27s%20Page/Radio/500%20Watt%20Link%20Coupled%20Tuner/500%20Watt%20tuner1.html

http://www.richardflake.com/ww8jtuner.htm

There's lots more if you research.
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73 de N4CR, Phil

We are Coulomb of Borg. Resistance is futile. Voltage, on the other hand, has potential.
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