I turned my gear on this morning in anticipation of CX. This consists of an HT-32/SX-101A, HT-44/SX-117, Ranger/SX-71. In an hour, the temperature in my basement shack (about 18' by 24') had risen four degrees, from about 79 to about 83 in this cool fall weather with neither heat nor a/c running. Harry, KT4AE Maryville, Tennessee