[Elecraft] Remote KAT500

[ab2tc]

Hi,

Well, MFJ is MFJ but Elecraft is Elecraft. I doubt very much that any MFJ
tuner will have much success in matching a 15 or 20:1 SWR which a vertical
like that will have on some bands. Here is a couple of pictures of my
installation which has survived 2 CNY winters without any degradation:

http://ab2tc.com/IMG_0181.jpg
http://ab2tc.com/IMG_0179.jpg

My G5RV is about 15:1 on 10m. I have a resonant 10m dipole up at greater
height than the G5RV but the G5RV almost always wins. Of course the G5RV has
many deep nulls but outside of those it's always the better antenna so the
loss in the tuner, even at that SWR, can not be that bad.

The installation is straight forward. There is no AUX cable connection to
the K3. I control the tuner using the PC utility through a WiFi serial
server. I used an Ethernet serial server for a while, but it was much worse
for birdies and I didn't like the need foe another cable to the site. Right
now, just power and one coax. BTW the gray box is a switch box for 4 more
antennas controlled by the 2nd channel on the serial server. Feel free to
contact me on E-mail. My address is good on QRZ.com.

I have many previous postings on here about this installation so a search
for AB2TC will reveal those. Some older picture links no longer work because
my server address has changed. Just replace the server name, whatever it is,
with ab2tc.com/ and it should work

AB2TC - Knut


Jeff Cochrane - VK4XA wrote
> Fred, 
> Wouldn't it be easier to just buy something like one of MFJ's remote
> tuners that are built exactly for the job you want your KAT500 to do?
> If I had a KAT500, I don't think I'd want my $700 Elecraft auto tuner left
> outside, where it was never meant to be. (Even if it was in a sealed,
> water-proof container).
> (And yes, I use a MFJ remote ATU for my portable Vertical.)
> 
> Jeff C. VK4XA
> k6dgw wrote
>> I'd like to hear from anyone who has remoted a KAT500 out to the base of 
>> a vertical.  We're moving to an HOA community.  The HOA appears to be 
>> quite benign and benevolent, I'm planning on a flag pole [with a flag on 
>> good wx days] in the backyard, with an insulator at the bottom where I'd 
>> like to remote my KAT500 in a wx-proof box.  I'll probably power it 
>> through the same conduit that carries the coax.  It would not be 
>> connected to the K3 of course.
>> 
>> I'd like to run it in MAN mode as I do now.  If I start in AUTO and step 
>> through all the band segments, will it learn the settings, and just 
>> recall them as soon as it senses RF?
>> 
>> 73,
>> 
>> Fred K6DGW
>> - Northern California Contest Club
>> - CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
>> - www.cqp.org





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