Dear all. Dave said I have just spent a frustrating day trying to work Valerio IK5ZPV crossband 73/136. We had taken it for granted that the difficult bit would be hearing the 73k signal at Valerio's
Try a HVK1/2 relais, Specifications say 8kV (dc) switching voltage. I used it at work upto 15kV (at 8kHz) when it was swiched 'cold' (remove signal -> switch relay -> put signal back on). I think tha