Leo and his guest talk about the early days of radio and the basics of the electronics of the era.

Some 30 years ago this picture was received from Venezuela on early SSTV. Then no home computers could handle the speed needed to display the picture, more...no re transmitted using modern software MMSSTV

Earl , K5ROC shows his portable station using a Alinco DX-70 for HF and Yaesu FT-7800R for VHF/UHF. The radios along with antenna tuner and power supply are mounted in a computer case it is transported by placing in a case with wheels and handle. Antennas for the station are a 1/4 wave Diamond...

100 Degree Field Day - Spend the day with Jackson Amateur Radio Club and see how they approached Field Day 2009 in the heat of Summer. Meanwhile its Winter for Peter in Australia with a very interesting demonstration of early Mechanical Television. Plus viewer email and lots of fun.

This is one of my 144Mhz Mosfet amplifiers with Freescale MRF6VP2600H. This is a 49V Ldmosfet amplifier for 144Mhz which easily puts out 500 Watt in linear service. The amplifier exhibits a gain of around 20dB and noteable gain compression sets in above 500 Watts of output power. Not shown in...

This is a video of the Lindsay/Gingery coil winder that I built a ways back. It makes nice universal wound coils as well as solenoids. It is basically the Morris coil winder that was popular in the early years of radio.