Re: [Elecraft] KAT500 Antenna Grounding

2018-09-18 Thread Jim Brown
On 9/18/2018 6:15 AM, Bob McGraw K4TAX wrote: Lightning protection is good on the outside of the house but static discharge probably needs review. Bob, Take a look at the arrestors that Array Solutions sells, which are the circuit that were built under the ICE name until the owner died a dec

Re: [Elecraft] KAT500 Antenna Grounding

2018-09-18 Thread Bob McGraw K4TAX
Thanks Wes. I hesitated to un-stack the KPA500 off of the KAT500 and disconnect all the cables.    I suppose I need to look at my configuration to reduce the likelihood of any damage to the PIN diodes in the KPA500.   Lightning protection is good on the outside of the house but static disch

Re: [Elecraft] KAT500 Antenna Grounding

2018-09-17 Thread Wes Stewart
Unpowered, the input is connected to Ant 1.  Each output has a 1 meg resistor to ground, other than that just open relay contacts. Wes  N7WS.  On 9/17/2018 7:00 PM, Bob McGraw K4TAX wrote: I didn't find the answer in the manual, so I'll ask here.   I do see in the manual where bleed resistors

[Elecraft] KAT500 Antenna Grounding

2018-09-17 Thread Bob McGraw K4TAX
I didn't find the answer in the manual, so I'll ask here.   I do see in the manual where bleed resistors are applied to the unused antenna terminals to bleed off static charges.  {page 15, Antenna Selector. etc} My question, do the relays in the tuner take the center conductor of all