[Elecraft] Remote KAT500

ab2tc ab2tc at arrl.net
Thu Jan 21 17:39:37 EST 2016


Hi,

Interesting thread. We have seen everything from using a bottomless
Tupperware container with a single computer interface in it to a complete
house entry system. My remote CAT500 box is somewhere in between, but closer
to an oversize Tupperware box than anything else. I don't have an amplifier
so I don't think I can help you with question 1.

On the cable entry question, in my case just having the bottom of the box
wide open with cables coming in with drip loops have worked very well and at
least I have seen some support for this approach (the Tupperware container).
Here in CNY we don't have a huge critter problem, just some spider webs to
wipe down once in a while. Wasps seem to prefer it elsewhere as others have
noted.

AB2TC - Knut



k6dgw wrote
> Thanks for all the input on my plan to remote my KAT500 to the base of a 
> flag pole.  Plans are taking shape.  I still have a couple of specific 
> questions:
> 
> 1.  It appears that the "AUX cable" can be dispensed with using instead 
> the KEY OUT line from the amplifier.  Before I give up on the "AUX 
> cable," does anyone know how long a cable I could have?  My run will be 
> about 120' [~37 m].  I think the signals in that cable are TTL levels 
> but I don't know how CAT5/CAT6 twisted pair cables might work over that 
> distance.
> 
> 2.  With the KAT500 in its box at the antenna base, I'm trying to figure 
> out how I would "train" the autotuner.  Before our move, I set my K3 to 
> the center of each "bin" on each band, and tapped TUNE.  I did this for 
> each of the three antennas I had on the appropriate bands.  It took 
> awhile.  Thereafter, I ran the KAT500 in MAN mode and it recalled the 
> right settings as I tuned in receive.  The "AUX cable" was connected. 
> That method isn't going to work well with a remote KAT500.
> 
> 3.  How do I get the cables into the weatherproof box?  Should I mount 
> connectors [doesn't seem very good to me ... PL-259 exposed to the 
> weather], or are there weatherproof entrance fittings.  One of the 
> cables will be 120 VAC, probably a heavy extension cord [for 12V supply 
> and the fixture to light the flag at night.
> 
> As has been pointed out, the not-so-expensive-box will be housing a 
> fairly-expensive-KAT500.
> 
> 73,
> 
> Fred K6DGW
> - Northern California Contest Club
> - CU in the Cal QSO Party 1-2 Oct 2016
> - www.cqp.org
> <snip>





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