ham radio meaning

PL and CTCSS are used to prevent a repeater from responding to unwanted signals or interference. XIT: Stands for Transmitter Incremental Tuning. A carrier squelch or noise squelchis the most simple variant of all. It can be the transmissions from a transceiver that is greater than the bandwidth necessary for normal communications that causes interference. The VEC is an amateur radio organization that is coordinated along with the FCC to operate and oversee all volunteer radio examiners. Someone programmed it for us but we don’t understand what they did. The unit of frequency is measured is hertz. Amateur rad… This channel should not be used to chew rag (talk) on, but only to sync up with another HAM. To become a radio ham, you must pass an examination. HAM RADIO TERMS. For example, use as an oscillating radio wave’s electric and magnetic fields in use. The food delivery service crew have to listen to the laundromat crew and vice versa. A few bits of clarification: Continuous Tone Coded Squelch System, or CTCSS is a communications industry signaling scheme called the Continuous Tone Coded Squelch System (CTCSS). QSL Card: A QSL card is exchanged between radio operators that confirms their contact and establishes a record of their contact exchange. How to Manually Keypad Program the BaoFeng UV-5R, Top 10 Best Glock 19 Holsters for Comfort, Security, & Durability, 5 Best Concealed Carry Insurance Policies for 2020 Financial Security, 8 Best MURS Radios for Quick & Efficient Comms [in 2020], Olight Warrior Mini 1500 Lumens EDC Flashlight Review, 5 Best 22LR Pistols for Vermin & Training Uses in 2020. Is this series available in pdf fomat for us older slower page turners? Earth Ground: is an electrical connection made to the earth, it is usually to a metal rod driven into the ground. On the 2 meter band, you can use 146.520 MHz. Next article BSI – National Standards Body of the UK The duplexer separates and isolates the incoming signal from the outgoing and vice versa. I will look into that for a new article. Clipping: The leveling aka flattening of the upper and, or, the lower portion of a waveform due to the driving signal going over the output limits of a circuit, particularly that of an amplifier. HAM RADIO TERMS ( GLOSSARY ) – Download. I’ve purchased a new radio and I’m a newbie…I am able to listen to a few repeaters, hear hams speaking with the repeaters, but I don’t think they can hear me. Accordingly, please follow FCC rules and repeater operator’s conventions for their systems for the betterment of all. Amateur Radio Q-Codes. USB: Stands for Upper Sideband. And as they say, necessity is the mother of invention. IRLP: Internet Radio Linking Project – Is a system of radio repeaters set around the world that are linked by Voice Over Internet Protocol (VOIP). EME: Earth-Moon-Earth communication, is the term for signals that are reflected off the moon and back to earth; “Moon bounce”. This is glossary contains general definitions of typical amateur radio terms. Skip Zone: A skip zone, when referring to ionosphere skip propagation, is the area inside the skip zone but also past the ground wave propagation. WhatIs.com. Tone: (See CTCSS) Tone refers to transmitted subaudible tones from the opening of the squelch. VSWR: Stands for Voltage Standing Wave Ratio. Each signal can be a question or an answer, as shown in the Meaning column. My goal is to help you prepare for any SHTF, big or small, natural or man-made, that could impact you and your family. Sporadic E: Sporadic E is when irregular patches of the E layer of the ionosphere activation are randomly refracted at higher frequency signals than are usually skipped. This is called a “positive offset”. On the 2 meter band, you can use 146.520 MHz. 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. This post is focused on fairly local communication on VHF/UHF bands. The example above only illustrates two co-channel users. ADIF: Amateur Data Interchange Format, a standard specification for the format of exported logbook files. This is a button or switch on the radio microphone that readies the radio for sending audio transmissions. Roger: A radio communication term that means the received message was understood. UTC: Stands for Universal Time Coordinate. An antenna is used to transmit and receive signals that go in and out of a repeater. Propagation: Propagation refers to the RF signals path of travel and how the RF signal travels. Field Strength Meter: An analyzing instrument that indicates the relative strength of or presence of an RF field. Rag Chew: This refers to a longer casual conversation between two ham radio operators. In real life, many users can co-exist in a single radio channel. Why radio amateurs are called "HAMS" (from Florida Skip Magazine - 1959) Have you ever wondered why radio amateurs are called "HAMS?" AR - "+" over, end of message K - go, invite any station to transmit KN - "(" go only, invite a specific station to transmit BK - invite receiving station to transmit R - all received OK AS - please stand by SK - end of contact (sent before call) CTCSS: Continuous Tone Coded Squelch System – AKA “PL Tone,” a sub-audible tone transmitted with a signal sent to a repeater that opens the squelch of the repeater station so that the signal is received. Amateur radio, also known as ham radio, is a hobby enjoyed by several hundred thousand people in the United States and by over a million people worldwide. If there are several groups of users on one radio frequency, CTCSS mutes users who are using a different CTCSS tone or no CTCSS at all. DSP: Digital Signal Processing – is a processing method of filtering and noise reduction, also otherwise modifying received signals done by converting received signals into the digital form for manipulations. This is different than a mobile ham station which is designed specifically for use in vehicles. It prevents the receiver and transmitter from hearing one another by the isolation it provides. Squelch: The squelch on a radio is the control for muting the audio of the transceiver when there are no signals being received. DCS: Digital Coded Squelch – is a method of breaking down the squelch of a receiver (especially a repeater station) using a digital code at the start of the transmission. A repeater tone filters noise by adding a low-frequency audio tone to the voice. You have entered an incorrect email address! Both stations take turns transmitting and receiving on the same frequency with no repeater or other device in between.Duplex – Duplex operation means that a radio station transmits on one frequency and receives on a different frequency.Full Duplex – Operating duplex with the … Picket Fencing: Picket fencing is when there is a rapid fluctuation in sound or a signal that is caused by a radio station that is moving during a transmission. Responsible for “Sporadic E” (see sporadic E) communications with frequencies above 30 MHz (which is especially for the 6 meter band). Thanks to technology and ham radio ingenuity, there are ways to coexist with Big Brother and still enjoy the hobby. Odd splits are frequently used with satellite radio operations and with cross band radio repeater functions on some amateur radio transceivers. This radio information may be Morse Code, or it can be voice, digital, or other communication forms. But we still don’t know how to use a radio (Baofeng). They are not for use in casual amateur conversation. It's fun, social, educational, and can be a … With CTCSS and a different tone for each group, radios only hear the activity from their own group. dB: decibel – A unit of measure for comparing power measurements of audio. Ham radio, also known as amateur radio is a popular hobby among most people in America. QSL: This is a Q signal (see Q signal) that stands for acknowledged receipt of message. As a result, missed messages and distractions of unnecessary conversations will be reduced. Odd Split: Termed for an unconventional pairing of radio frequencies, for example, such as one VHF and one UHF frequency paired together. Tropospheric Ducting: This refers to VHF signal propagation over long distances. Europe, for example, used 1750 Hz as their standard frequency. SWR: Stands for Standing Wave Ratio. During the daylight it is two layers, F1 and F2 present. In this first post, we’ll walk through setting up a BaoFeng UV-5R to use a repeater with a PL or CTCSS tones. Thanks, 73 - Best regards, a greeting sent by radio amateurs over the air. People use ham radio to talk across town, around the world, or even into space, all without the Internet or cell phones. Time – Out : When referring to a repeater it is the timer circuit that can be used to avoid extra long transmissions or what is called a stuck mic condition. I’ll keep watching this website. -- Ham radio Q signal meaning "Is this frequency in use?" 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. DXCC: is an ARRL award for confirmation of contacts made in a minimum of 100 different countries. Eleven Meter Band: The specific radio band in which citizens radio (CB radio) channels are found. A ham radio call sign is a designation given to an amateur radio operator by a licensing board. Positive Offset: This is a radio repeater input frequency that is higher input than the repeaters output frequency. Required fields are marked *. PEP: Peak Envelope Power – This is the signals average power level over its greatest amplitude peaks. LSB: Lower Side Band – the single sideband used tradition for bands below 30-meters. An SSB is a specific type of AM signal. Plain talk that anyone can understand. Get your license — please. It has a range of 300 – 3000 MHz frequency. VHF: Very High Frequency – 30 – 300 MHz frequency. It is an ARRL award to confirm contact in all 50 US states. Rover: A rover is a radio competition where a station moves through a grid square, a county, or any other geographic area. HF: High Frequency, defined to be 3 MHz to 30 MHz. Amazon Affiliate program disclosure:       As an Amazon Associate I earn from qualifying purchases made when certain links are clicked on at no extra cost to you. Hertz: Cycles per second, the standard unit of frequency measurement. Field Day: An annual amateur radio event to practice emergency communications with other ham operators. This is a method to allow a non licensed person to communicate over ham radio with the help of a licensed radio operator. A typical tone burst can last for less than half a second and had to follow a specific frequency. There are hundreds of thousands of amateur radio operators in the U.S. and millions around the world. This is due to it’s short (small) antenna and it’s the fairly low height with respect to the radio horizon (unless you are on the side of a mountain). Consult the manufacture for further clarification of model-specific terms… Oscilloscope: An electronic test and analyzer tool that receives voltage and current signals and then displays a visual representation of variations in signals over time allowing for tuning and performance measurements. Primarily refers to packet radio operations. A repeater boosts your signal and receives the station you are talking to, over a far greater range and coverage area! Or for an alternating current. NiCad: Nickel Cadmium, a common type of rechargeable battery. Q-signals or codes are a set of abbreviations for common radio information that can help save time and allow communication between operators who don’t speak a common language. Your email address will not be published. John. The simplest method to communicate on a HAM radio is simplex. Shack: A slang term for the location of a ham radio operators rig. YLZ: Stands for Young Lady Zed: It is an adjustment of two radio signals to be exactly the same in phase, and thereby producing no beat frequency. Basically, it handles the repeater station ID using either voice or CW and activates the transmitter at the appropriate times. Thanks a bunch. Although this amateur radio abbreviation was reputed to have started when Morse telegraph operators sued to send two dashed, six dots and two dashes as a greeting, it has been widely adopted by radio amateurs using both Morse and also within 'fone' transmissions. It can both send and receive radio transmissions. The Q Code consists of three-letter groups with each group having a specific meaning. Ham radio is a popular term for amateur radio, derived from "ham" as an informal name for an amateur radio operator. Learn more. Tone burst was the first method used to access repeaters. Microwave: The portion of the RF spectrum 1 GHz and higher frequency. Zulu: An alternate term for referring to UTC (see UTC). If I have your radio tuned to 443.700 Mhz, and hit my transmit button, the radio transmits on 448.700, 500kHz (5MHz) up from 443.700. NiMH: Nickel Metal Hydride, a common used type of rechargeable battery. Usually, only the first transmission requires a tone burst. Repeaters are designed to not transmit noise and spurious signals. NVIS: Near Vertical Incidence Skywave – radio propagation in which signals are then reflected from the earth’s ionosphere from a very steep vertical send off angle, which is resulting in a relatively short skywave skip distance. UHF: Stands for Ultra High Frequency. This feature is generally used in SSB radio operations. The QN signals (q-codes) are special ARRL signals for use in amateur cw nets only. The actual meaning of HAM is taken from the three pioneers that helped to make it possible for us all to become “ HAMS ”. 70 centimeters (~420-450MHz)** NOTE: It is an award from the IARU and administered by ARRL. The exciter modulates the audio from the receiver while the power amplifier boosts the audio level so the signal can travel further. FET: Field Effect Transistor – An FET is used as a radio amplifier or a switch for electronic circuits; the input voltage determines the outputs current level. Zepp Antenna: An end-fed wire radio antenna that is reeled down and up from Zeppelin aircraft. Used in superheterodyne receivers used to produce the intermediate radio frequency. Discussion of “channels” is misleading since amateur radio focuses on frequency, not an organizational scheme of specific frequencies labelled as “channels”. Contact Fred at fred@readyzeal.com, Your email address will not be published. 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