Subj : Ham Radio Glossary (H) To : All From : Daryl Stout Date : Tue Jul 28 2020 12:05 am From QRZ.Com, the Icom handout, and Part 97 Of The FCC Rules - Ham Radio Glossary - An overview of amateur radio terms. Handi-Talkie An amateur radio transceiver that will fit into ones hand. Usually seen at hamfests or communications events, as they are portable, and can go virtually anywhere. However, they tend to not be high powered, and the battery can run down quick, if the unit is used excessively... especially at high power. Harmful interference Interference which endangers the functioning of a radionavigation service or of other safety services or seriously degrades, obstructs or repeatedly interrupts a radiocommunication service operating in accordance with the Radio Regulations. Harmonic 1. Children. 2. Secondary RF emission that is a multiple of the fundamental emission. HF "High Frequency"; generally regarded as the band of frequencies between 1.8 MHz and 30 MHz HIHI Telegraphy for laughter. Homebrew Refers to equipment that is "home built"; something you built yourself. HPF High Pass Filter. HT See Handi-Talkie. Hz "Hertz"; a unit used to measure frequency. Typically used with "Kilohertz" (KHz) to indicate 1,000 Hertz, or "Megahertz" (MHz) to indicate 1,000,000 Hertz. --- SBBSecho 3.11-Win32 * Origin: The Thunderbolt BBS - tbolt.synchro.net (801:1/2) þ Synchronet þ Temple of Doom BBS - tod.eothnet.com .