K1EL Winkeyer USB p.c.board
23Oct11
resistors, IC sockets, and J2 key jack added
Filed under: Projects | Leave a Comment
Si-570 project
24Apr11
AA0ZZ Si-570 daughter card
Filed under: Amateur Radio, Projects | Leave a Comment
SoftRock Lite II for 30meters
30May10
Power Supply and Local Oscillator built at this time.
Filed under: Software Defined Radio | Leave a Comment
keyer with speed control
10May10
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.
73,
David
Filed under: Amateur Radio, Projects | Leave a Comment
Softrock 6.0 SDR receiver
15Mar10
Was back to soldering at the workbench.
More pictures to follow!
73,
David
Filed under: Amateur Radio, Software Defined Radio | Leave a Comment
Softrock 7.0 SDR receiver
28Feb10
Soldering together the version 7.0 software defined radio
73,
David
Filed under: Amateur Radio, Software Defined Radio | Leave a Comment
surface-mount caps
17Feb10
Started to build USB-Controlled Synthesizer.
mounted surface mount caps to bottom … starting to serious dislike the number: 0805
73,
David — KC4ZVW
Filed under: Amateur Radio | Leave a Comment
Testing the filter
12Feb10
Another Thursday Build Party of the Bitx20 QRP SSB radio
Filed under: bitx | Leave a Comment
Search
-
Administration
ARRL
Blogroll
- Alan's (VA3STL) Weblog
- FreeBSD News
- G3ZJO Radio Blog
- Ham Radio Resource Guide
- Jeri Ellsworth blog
- KC4ZVW blogger
- Larry (W2LJ) Blog
- Linux in the HAM Shack
- Nate (N0NB) blog
- rec.radio.amateur.moderated
- Ripples in the Ether
- SolderSmoke Podcasts
- The 147.120 Tech Net blog
- The Arduino Blog
- The K3NG Report
- The projects of eSawdust
- Tom (KD4WOV)
- Twiar International
- WeakSignals pages of I2PHD
Clubs
Digital Modes
Embedded Controllers
Free and Open Source
Homebrew
Microwave Links
Parts
SDR radio
Space
Vendors
VHF / UHF
Weak Signal










