[RTTY] AL-1200 arcing during QRO RTTY contesting

[Tom Osborne]

WA9ALS - John wrote:
> Can anyone imagine how -just- heat could
> lead to the arcing, albeit obviously indirectly?  

HI John

Once the arcing starts, it makes a carbon trail between the 2
contacts and you have to take it apart and clean all the carbon
off the bandswitch or it will follow the path between the switch
contacts and just keep arcing.  I've had that happen before
here.  73
Tom W7WHY