How far does a ham radio reach
WebAttenuation of the cable = 0,69dB. ERP = 1000W x 10^ (8dB - 0,69dB)/10 = 3715W. Thus, the system described in the formula would effectively provide approximately 3 times the transmitter power, to an ERP of 3715 Watts, with a 152 kilometers coverage. It must be noted, however, that this is only a theoretical calculation: in order to reach inside ... WebOur favorite handheld radio – the Baofeng UV-5R – has all the capabilities you need, and so too does our favorite mobile radio – the AnyTone AT-5888UV. Most other ham grade radios will too. To work with a repeater, you need to know what frequency it listens on, and set that as your transmit frequency.
How far does a ham radio reach
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Web7 dec. 2024 · August 25, 2024 by Jeremy Neisser. As a rule of thumb, antenna gain is the measure of how well an antenna converts RF power from a transmitter to an electrical signal at its output terminals. Distance is generally referred to as transmission line loss or the attenuation of RF signals over a given amount of cable. WebThe length for UHF devices is in the range of 300 MHz to 3 GHz while the length for VHF devices is 40-400Mhz. VHF devices can cover long distances, however fail to perform …
Web19 jul. 2016 · Jun 28, 2016. #7. I think 6 meters is about the same as 2 meters or even 432 given equivalent stations. For example, 100 watts and 13 elements on both ends will get you ~ 50 to 75 miles on a stone deaf 2 meter band (SSB). 100 watts and 5 el on both ends will do the same on 6 (no tropo enhancement of any sort). Web4 nov. 2024 · Dipole antennas are one of the most popular antennas used for ham radio. They are relatively simple to build and can be made from various materials. Dipoles are …
Web15 jan. 2010 · Jan 14, 2010. #8. Once you have 1-2 watts of power at VHF, and especially at UHF (Like the FRS radios mentioned), power is almost meaningless. Line of Sight is …
Web11 nov. 2024 · Amateur “Ham” Radio. 1.8 – 1300 MHz with gaps in between. By far the widest range of frequency options. Note that “Amateur Radio” does not mean any broadcast radio used by civilians. In this …
WebSo realistically, for two people carrying a handheld two-way radio, the maximum communication distance on flat ground with no obstructions is around 4 to 6 miles. So … small home camerasWeb7 jan. 1996 · Other factors are, the weather, the. terrain between you and the receiver, their antenna system, your antennas. height, and the modulation of your signal. I know a guy who had a cheap radio and a cheap antenna. He could only. get about 2 or 3 miles. He went out and bought a 100 watt linear instead. small home camera systemWeb27 jul. 2011 · Antennae characteristics are so fundamental to this question at this frequency that an answer cannot be sensibly given without some sort of antenna spec. Note that 5 … small home candle businessWebFor amateur radio enthusiasts, ham radios enable two-way conversation between amateur radio operators in different geographic locations. Depending on the type of frequencies … small home camera surveillance systemsWeb11 apr. 2024 · On: April 1, 2024 By: Herbert W. Smith This review discusses the Radioddity GD-88 DMR dual band HT. After a few weeks taking some time learning its features I will say this radio checks a lot of the boxes! The Radioddity GD-88 is a dual Band 2m and 70cm digital DMR and analog handheld transceiver that includes some great features and … small home carpet cleaning machinesWeb9 sep. 2016 · Receivers have meters calibrated in S-units, and the traditional definition of an S-unit is 6 dB. So if your signal is 2.45 dB weaker than it would be if your transmitter … small home carpet cleanerWebFor example, a 25-watt marine radio will roughly have a maximum range of 60 nautical miles (111 km) between antennas mounted on tall ships, but that same radio will only … sonic born date