Archive for the ‘Amateur Radio’ Category

Si-570 project

24Apr11

Si-570 daughter card, a photo by SailingDavid on Flickr. AA0ZZ Si-570 daughter card Advertisements


sr-lite-ii-5 Originally uploaded by SailingDavid Power Supply and Local Oscillator built at this time.


keyer with speed control Originally uploaded by SailingDavid Finished solder parts in the K1EL serial port morse code keyer project. Powered it up with the test software and it works. It returned the version number of the firmware in the PIC processor chip. More testing required after attaching more connectors and mounting in a case. […]


softrock60_pic3 Originally uploaded by SailingDavid Was back to soldering at the workbench. More pictures to follow! 73, David


softrock_70d Originally uploaded by SailingDavid Soldering together the version 7.0 software defined radio 73, David


surface-mount caps Originally uploaded by SailingDavid Started to build USB-Controlled Synthesizer. mounted surface mount caps to bottom … starting to serious dislike the number: 0805 🙂 73, David — KC4ZVW


FLL-pcb

18Jan10

FLL-pcb Originally uploaded by SailingDavid Building a BitX-20 and this the FLL p.c. board that is a frequency counter that feeds back to VFO. 73, David


field_day0915 Originally uploaded by SailingDavid Operating 2009 Field Day west of Orlando, FL from a horse stable.


NorCal FCC-1 frequncy counter kit: Almost finished soldering this project. I still need to do pre-power up testing and have ordered some optional connectors. 73, David — KC4ZVW


Soldered components to circuit board. 73, David