A project of a semi vertical trap antenna that can be tuned for 7 bands
Double Bazooka Antenna, a simple coax based and broad band antenna you can easily build
A simple online folded dipole antenna calculator
HF Digital Communications for beginners Psk 31, RTTY, SSTV
One way to keep your home station on the air during a power outage.
This interface is intended to be used with all the popular digital modes like PSK31, RTTY, Olivia, etc., which modulate a continuous carrier.
Introduction to Raspberry Pi and possible usages in amateur radio, PDF presentation.
There are 2 possible TX extensions on the E version, either full TX (1.705 – 30 MHz) or just open up 5 MHz (cut the R968 jumper and make it into a K version). This mod has been tested on TS 590S and not on TS 590SG
Narrow Band Emergency Messaging Software is an open source system that allow send and receive data.
Free windows software to program or reset cara ht olinca th888a and th888S th888 th10 th2100 th2uv th9 handheld VHF UHF two way radios