During the 2229Z pass today, max el 17 deg, the -Z PPT 6 panel temp was "-1". Wondering if this is a sensor failure from high temperature? Last pass it was 88 C. The highest panel temp was +Z PPT 3 at 68 C. RF temp was 65 C compared to last pass when it was 57 C. 73, Ken, W7KKE CN75xa