Solar CDX

Digital Restoration Day

I hereby declare Thursday, April 21st was Digital Restoration Day. The moment I walked in the door after work, Lara pounced on me and told me that she had shut down her computer because a window had popped up indicating that she had fifty or so horrible viruses on it. As she guessed, it was [...]

Next Year Jerusalem; this year Hungary

I had another go at the rockmite last night on 40 meters. I tuned the LDG tuner to 7.028 with the Kenwood B2000 and then substituted the rockmite for input; antenna was the 43 foot tree-slung vertical wire. The LDG has latching relays, so it stayed tuned even when the drive was removed. I started [...]

Rocky Road

Yesterday, my brain was mush, so I didn’t attempt anything at the workbench. I turned on the radio and tuned around the ten meter band, not expecting to hear much. However, I did hear considerable activity from South America, calling with “MM TEST”, which turned out to be the Manchester Mineira contest. Since the contest [...]

Honey, I blew up the amplifier

Actually, let’s start on a bright note, and then we’ll get to the part involving smoke.

The Rockmite 40

My main reason to build the amplifier was to get a bit more power out of the rockmite. Part of the problem in getting the amp working was also likely low driving power. The basic [...]

Texas Topper QRP Amplifier

I seem to be doing well enough running the Kenwood B2000 at 5W or the TenTec 1320 at around 4 watts, but I haven’t made many contacts with my Rockmite, which on a good day puts out around 250+ mW, but less when the battery runs down a bit. A while back, I had ordered [...]