What is Hellschreiber. Hellschreiber is a German name, meaning "bright writing", or "clear writing". Hellschreiber is anything but a new mode. It was first patented in 1929 which makes it the oldest machine generated data transmission mode used in amateur radio. To put this in perspective, SSB...

Operating my station remotely. I use three pieces of software. First is TRX-Manager to control the radio. See my video on TRX-Manager. Second, remote desktop software. This allows me to control the radio computer from a remote computer. I use Logmein.com free program to manage and setup the...

Experimental receiver for VLF. I received electromagnetic (radio) signals between 14 and 22 KHz with a capacitor of 4,7 NF over the showed coil. The schematic is identical to that of the storm detector IV (with the 6088 Tube), the coil is differently constructed. There is one more transistor...

In this video I explain what DSTAR is and describe some of the neat features that it has.

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

Clegg 99er is a Compact top quality 6 meter transceiver made in 1961. LCF School LCFschoolThis is a tube unit and will operate on 110vac with a built in power supply or external 12 volt unit. The transmitter is crystal controlled and receiver covers the lower 2 Mhz of the 6 meter amateur...

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 a demo video clip I made of receiving amateur radio PSK 31 transmissions on the amateur radio 40 meter band on 7.035 Mhz using a free software package called "Ham Radio Deluxe". I down loaded the software from http://www.ham-radio-deluxe.com. In this demo, I fed the receiver...

Just some more video footage of my amateur (Ham) radio/SWL \\\"shack\\\" at my apartment in Denver, Colorado. I was demonstrating some of the features of the Ham Radio Deluxe (HRD) software program as well as the Digital Master780 software which integrates...