If your HAM radio, (base, mobile or handheld) does not transmit the correct tone, the repeater’s receiver will not hear you (or pretends to not hear you) and won’t allow your station to transmit to it, until you set the proper tone to activate, when you broadcast or transmit. When with an IRLP, it is referring to a server that is capable of multiple IRLP repeater nodes being linked at the same time. Driven Element: The portion of the antenna that attaches to the feedline. Transceiver: A transceiver is a unit that has the transmitter and the radio receiver in one device. In radio operations, impedance is desired to be matched and equal to transceiver to feedline to antenna for the best ham radio system performance. Q-codes are shorthand codes that come from the world of CW. The good news is, that most of the modern ham radios take the offsets into account and will compensate automatically. Reflector: A reflector is the rear passive element in a Quad or a Yagi radio antenna. Also used in place of I copy and I understand. GOTA: Get On The Air – An annual ARRL Field Day event in which all non-licensed operators are provided an opportunity to transmit under that of the control operator supervision of a licensed ham radio operator. Alternatively, to push-to-talk, as in to “key the mic” (also see, Key up), Kilocycles: measurement of thousands of cycles per second, or thousands of hertz per second (kilohertz). Save my name, email, and website in this browser for the next time I comment. ADIF: Amateur Data Interchange Format, a standard specification for the format of exported logbook files. It also refers to the interference this motion causes. Today, CTCSS tones are almost universally used to access HAM radio repeaters. Ground Plane: Is a horizontal conducting surface, or it is a radials extending from the base of the antenna (which is usually a quarterwave vertical antenna) that also produces a virtual image ground element for the antenna, which enhances performance. Contact Fred at [email protected], Your email address will not be published. Micro: Prefix meaning 1/1,000,000 (one one-millionth). Full Quieting: Most commonly used to describe the repeater audio to having no noise component, while referring to a received signal strength by the repeater so that there is sufficient to engage the receiver limiters. Ham radio has evolved, albeit slowly compared to other technology sectors. Common in ham radio operation equipment. For example, use as an oscillating radio wave’s electric and magnetic fields in use. But want to learn. Let’s not fight it. Digipeater: Is a digital repeater capable of temporarily storing, then re-transmitting on the same frequency, of a digital packet. UHF: Stands for Ultra High Frequency. Handheld: (Handheld Transceiver / HT) – a small transceiver that can be carried in the hand. VSWR: Stands for Voltage Standing Wave Ratio. Thus, CTCSS was born. And as they say, necessity is the mother of invention. Packet Radio: Radio utilizing digital radio bursts for transmissions of communications. XIT provides slight changes in the radio transmit frequency without effecting the radio’s receive frequency. RACES: Stand for Radio Amateur Civil Emergency Service. You can find a list of repeaters, nationwide in the ARRL Repeater Directory. D–Layer: The lowest layer in the ionosphere, it is approximately 25 to 55 miles in the air, that fades away at night and is usually very weak during the shorter winter days. Ham radio, also known as amateur radio is a popular hobby among most people in America. This radio information may be Morse Code, or it can be voice, digital, or other communication forms. The actual meaning of HAM is taken from the three pioneers that helped to make it possible for us all to become “ HAMS ”. QSO: This is a Q signal (see Q signal) that refers to a two way radio communication between operators. As soon as I release the transmit button so I can listen, the radio switches back to 443.700. Someone programmed it for us but we don’t understand what they did. JOTA: Jamboree On The Air – is an annual Boy Scout radio event in which scouts and hams team up to make contacts with other scouting groups all around the world with amateur ham radio. Each one can be different extend far beyond the visual horizon radio communication when transmission one. Same station at the repeater in SSB radio operations and with cross band radio repeater simplex communications driven element the! The duplexer separates and isolates the incoming signal radio stations and/or computers the to! 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