Photo by kd1jv 80, 40, 30, 20 and 17 or 15 meter operation (17 or 15 meters selected at time of building) DDS VFO for wide tuning range with crystal stability, 50 Hz tuning steps. Single step or auto increment tuning Sensitive, 0.2 uV receiver with very low internal noise for exceptional S/N ratio. Selective…
The KN-Q7A single band SSB transceiver kit was designed specifically for the worldwide market by BA6BF, and kitted by BD6CR/4. As the upgraded version of the popular KN-Q7 (more than 500 kits were sold worldwide), the KN-Q7A has an improved circuit design and component selection, which makes it an ideal candidate for field operation, back…
The Red Hot 40 is a high performance QRP CW transceiver kit for the 40m band. It has been designed to operate well in the presence of large out-of-band (shortwave broadcast) and in-band (contest station just down the road) unwanted signals. It should easily meet the requirements of most QRP’ers, from the most competitive contester…
DDF2020M Radio Direction Finder kit requires minimum assembly for 10~15 Minutes The DDF2020M DF is an economical but very sophisticated Doppler DF “kit” with a GPS input, and RS232 output to provide the ability to indicate its location and draw bearing automatically or manually on Google Earth map to find the RF transmitter more conveniently.…
QST Editor Steve Ford, WB8IMY, builds the Hamgadgets PicroKeyer-Plus kit. Read the review in the February 2012 QST magazine Short Takes. Video by ARRL HQ