WikiSensor is a scientific platform (softwares) for environmental quality measurement to be used on multiple electronic devices such as cell-phones, tablets, cameras… To convert your iPhone into a radiation detector all you need to do is install the WikiSense app and stick some opaque black tape – electrician’s tape should do the trick – over…
Description: The LDG Digital Wattmeter is based on a QST construction article in the July 99 Issue. This Wattmeter is a microprocessor controlled, multi-sensor power monitoring system that covers HF, VHF, and UHF frequency spectrums. A multifunction display allows full control of the meter’s menu system. Up to four remote sensors can be connected to…
Description: Monitor up to 8 remote receivers Add this full featured, 8-Channel, menu driven, flexible voting system to any wide-band repeater (does not work on narrow band). LDG Electronics Inc. has released an assembled and tested Repeater Voting System. The voter is based on the popular RVS-8 (from April 1999 QST) The RVS-8 is a…
Wintec LM-A2/A4 amateur radio with high power output Max.50W and excellent ability to resist the interference provides the users pleasant and human features in long distance communication. The large-sized front loudspeaker can output bright and clear voice up to 4W. Wide frequency ranges, 4-color LCD and the sturdy aluminum body can be stable and durable…
YCCC invited me to help produce an instructional video on SO2R operating, the most challenging way to maximize QSO rate. Thanks to Randy K5ZD for giving us a look at this unique mode of operating. For maximum benefit, listen to this segment with STEREO HEADPHONES. PART-I PART – II PART – III SO2R gallery shacks…