Copper wind generator. Also Epson printer steping motor shown as low RPM generator powering a 12 volt lamp. |
Just a note on how well the ft817 fits into a drive bay on a computer!. |
This is a high Q loop for 2m and one for 6m made out of the same copper tubing usued in the above antenna. With feed loop inside the main loop. |
This is a tuning capacitor for the hi Q loop made from sheet copper and copper pipe. I plan to use more braid on the hinge to overcome RF resistance. |
This is an audio compressor mic I made for the Yaesu ft 817 useing the SSM2165 IC chip from Analog Devices Inc. Also a picture of the front and back of mic in a Radioshack battery box. |
This is a 40m low pass filter I built to use on a 140 watt amp for the ft 817. |
Pictures of portable setups for the ft 817 and the ft 1500m. In the middle picture you can see the 140 watt amp useing an AMD heatsink/fan and the Motorola hand mic pluged into the FT 817. |
This is a small EH antenna I built for the 2m band, and a large 40m version. And the last picture is my new 15 meter EH useing 1/2 inch PVC and L+T phasing network. to learn more check out www.eh-antenna.com. |
More pictures on the roof with a base extention added to the antenna. |
A picture of the best working 40 meter mobile setup to date using 1/2 inch copper tubing for extentions and a 20 inch hat. |
Pictures of my new 300 watt amp using a pair of 2SC2879s. |