[Elecraft] KAT 500 and open wire

[Fred Jensen]

Be careful with black hose/tubing/pipe.  Cut a small length of it and 
put it into a microwave oven along with a cup of water for varying 
lengths of time, checking each time.  If it comes out cool when the 
water is about to boil, it's probably OK.  It seems some ABS and black 
drip tubing has some semi-conductive ingredient(s) like carbon?  I've 
also seen white PVC fittings that failed this test.

73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 1/19/2019 7:45 AM, Victor Rosenthal 4X6GP wrote:
> Today I'm using homemade open wire line, no. 12 (2 mm dia) spaced 4.5 
> inches (11.4 cm). Insulators are cut from black irrigation hose. Wire 
> is ultra flexible type from The Wireman.
>
> 73,
> Victor, 4X6GP
> Rehovot, Israel
> Formerly K2VCO
> CWops no. 5
> http://www.qsl.net/k2vco/