Re: [Elecraft] carrying cases and ESD

2004-08-09 Thread Stuart Rohre
Hi, Indeed, vibration in mobile transport creates triboelectricity, a charge build up by friction of wires insulations against conductors. It could be not the foam of the box, (which usually is grey or black indicating carbon content) but the wiring inside the radio. It is always good practice to

[Elecraft] carrying cases and ESD

2004-08-09 Thread Indy
My ESD problem with the K2 and KPA followed a severe shaking over washboard roads on a voyage to remote Chaco Canyon. The K2 was riding in a Lowes foam surround carrying case. I can not prove, but I do not think the ESD that zapped the directional couplers came from an antenna. It happened im