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Welcome to the RadioReference UDXF Gateway.
This gateway serves as a portal for Utility DXers Forum (UDXF) members to find HF-related Utility information on the RadioReference wiki. It is meant to supplement, but not replace, the popular UDXF website.

Receivers and Software Defined Radios Receiver Reviews - You can find links to receiver reviews here Software Defined Radios - An extensive collection of links for Software Defined Radios (SDRs) Live Tunable Receivers - Receivers and SDRs that can be controlled over the web Topics ALE - A brief description of this popular mode COTHEN - The Customs Over The Horizon Enforcement Network Federal Aviation Administration - They have both VHF and HF networks HF_Aeronautical_Communications - Hearing aircraft (voice and data) on HF HF Maritime Communications - An intro page for everything related to the US marine industry HF Military Communications- Another intro page for the US military HF operations HF Propagation - How a signal on HF is heard around the world USAF High Frequency Global Communications System - Used by many US military branches worldwide United States Coast Guard - Their VHF and HF frequencies are discussed here

Receiver and Software Applications Receiver Software Applications - Software that will interface with various desktop receivers Amateur Radio Transceiver Control - Software that will interface with amateur radio transceivers HF Software Decoders - Software that decodes various modes found on HF, such as ALE or HFDL SDR Software Applications - The other side of SDRs is the software that runs them Antennas HF Antennas - Lots of links, even for the experimenter Loops - A popular topic for those in restricted environments Decoding Applications HF Digital Amateur Radio - An overview of digital modes used in the amateur radio service DXing Digital Utilities - An exhaustive discussion of non-ham digital modes with an extensive appendix of links Testing Your New Setup - Some digital stations have schedules. They're linked here.