Amateur Radio, #HamRadio largest links directory 23000 links in 670 categories The DXZone is updated daily with new ham radio links since 1996
Construction guide for a compact J-pole vertical antenna optimized for motorcycle use, covering 430-450 MHz with a robust design.
Construction guide for a UHF double bazooka antenna, optimized for 435 MHz. Details building with RG213 coaxial cable and weatherproofing.
Construction guide for an easy-to-build UHF J-Pole antenna using readily available materials like aluminum angle bar and threaded rod. Includes ROS
A comprehensive list of HF time broadcast and time signal stations, detailing frequencies, call signs, coordinates, and operational notes.
LoRa APRS Live offers a real-time mapping and logging service for the LoRa APRS network, displaying iGate logs, coverage, and station activity.
Construction details for a homebrew 50-watt FET amplifier based on the W6JL design, covering 80-17m. Includes Arduino control and LPFs.
Construction details and operational characteristics of a multi-band vertical wire antenna for 80m, 40m, 30m, 20m, 17m, and 10m.
Details the construction of a compact dual-band open sleeve dipole antenna for 40 and 20 meters, utilizing 450-ohm ladder line.
Construction guide for a 20-meter window frame stealth antenna, based on PD7MAA's design. Uses a 620cm wire loop and 4C65 toroidal core.
Detailed construction and performance data for a portable, bottom-loaded 1/4 wavelength vertical antenna for 10-60 meters, optimized for POTA.
Martin's experiences and DIY modifications for the ICOM IC-705, focusing on portable operations and POTA activations. Includes antenna solutions and
ZL1WTT details a software-defined Digital Amateur Television (DATV) system, multiplexing multiple SD/HD channels using h264 compression.
Integrate SDR with a standard transceiver using a splitter box for seamless operation without equipment modification.
Chavdar Levkov LZ1AQ explains using ferrite E-cores for constructing baluns, highlighting cost-effectiveness and practical examples.
Widget DX HB9HBY is a compact ham radio desktop application for Windows and Linux, displaying UTC, HF propagation, local weather, and radio links.
Construction guide for an active loop converter for the LF band (128-490 kHz), featuring regenerative feedback for high Q and noise reduction.
Real-time propagation map, PSKReporter, Reverse Beacon Network and DX Cluster in one place. CAT control, spot sending, and station performance testing. Free.
DecoAlert 1.0 Beta is a Windows companion application for _Decodium_ and _WSJT-X_, providing real-time audio alerts for FT8/FT4/FT2 digital modes.
Online Morse code decoder and translator converting text to Morse and vice-versa. Features audio decoding, image recognition, and interactive tools.
Web Morse Runner is an online CW contest simulator by DJ1TF, offering practice for Morse code receiving and sending in a simulated environment.