The following is the third part of a three-part guide to help get started with HF, written by Charlie Davy – M0PZT
A concept to use common, low-cost parts to mount a VHF/UHF dual-band antenna to help people who have HOA restrictions, are renters, or desire low-visibility characteristics get on the air.
Cavity is often required at a busy site to not only prevent its receiver from being overloaded by off-frequency signals, but also be a good neighbour and prevent low-level signals from your transmitter from getting into other users receivers – not to mention the preventing of those other signal from getting back into your transmitter to generate spurious signals in its own right.
The eggbeater antenna uses on mobile operations using the metal roof of the car as the reflector. The distance between the antenna and the roof as described in this article should be 1/8 lambda.
The database of Chinese ham radios. We are here to show you that you do not need expensive kit from big brands to have fun with ham radio. With the explosion of open source designs, cheap manufacturing, and global delivery, you can now get on the bands and explore for less than ever before.
Shortwave and Amateur Radio Log (SWLog) is a modern suite of applications that provide logging and remote control for amateur radio and shortwave, utility, and broadcast listening. SWLog has been continuously improved and expanded since it was first released in 1988. SWLog is a suite of products that provides logging, radio control, GPS synchronization, QSL management, reporting, and propagation prediction. Program schedules from HFCC, ILGRadio, AOKI, ADDX, SWSkeds, EiBi, and others are leveraged for broadcast reception. Call sign lookups and remote logbooks are integrated with ClubLog, eQSL, QRZ, Ham365, HamQTH, and LoTW. SWLog provides Android and iOS applications for logging on the go as well as web servers for logging and remote control from anywhere. SWLog works on Windows, Linux, iOS and Android
Cheap and simple fully automatic antenna switching that permit to automatically select the proper antenna based on transceiver status activity.
Quisk is a Software Defined Radio (SDR) and is the software that controls my receiver and transmitter. Quisk can control the HiQSDR, Hermes-Lite hardware, SoftRock hardware, SDR-IQ by RfSpace