Keeping track of changes when you are tuning ANY antenna is critical. Don’t rely on your memory for what you did, write it down.
So I grounded the fence to the ground to help my Inverted L on 80m. WIll it make any difference? HUGE project this time – but only 8 minutes for... Read more
Graphical Frequency Allocations Download and print PDF documents using Adobe Reader. Frequency Bands Chart [PDF] (8.5 X 11; graysc... Read more
Yaesu FTM-300D, C4FM Dual Band Ham Radio, Review/Demo Read more
Jim shows the two ways that he makes Christmas Lights into an Antenna and a Dummy Antenna. RF from his linear amplifier lights up the bulbs. Read more
The Belcom LS-702 is a really cool 433MHz FM and SSB transciever. It is surprising how well it still fuctions and sounds today. Lets take a look at th... Read more
Specifications Recever: Rx current: 80 M : 70 ma, 160 M : 100 ma Sensitivity: ~ -90 dBm (5 uV) Three audio bandwidth settings Transmitter: 80 M... Read more
Here we take a look at the TRX Duo, a Linux Based SDR Transceiver. TRX-duo is an SDR device that supports dual-channel physical reception and transmis... Read more