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Repeaters are found mainly in the VHF 6-meter (50–54 MHz), 2-meter (144–148 MHz), 1.25-meter band (1 1 ⁄ 4 meters) (220–225 MHz) and the UHF 70 centimeter (420–450 MHz) bands, but can be used on almost any frequency pair above 28 MHz. In some areas, 33 centimeters (902–928 MHz) and 23 centimeters (1.24–1.3 GHz) are also used for ...
The TC149 ISO bicycle committee, including the TC149/SC1 ("Cycles and major sub-assemblies") subcommittee, has published the following standards: ISO 4210 Cycles—Safety requirements for bicycles; ISO 6692 Cycles—Marking of cycle components; ISO 6695 Cycles—Pedal axle and crank assembly with square end fitting—Assembly dimensions
In 2002 Giant signed a three-year sponsorship deal with Satellite Sports Group (a company that then managed the former GT Air Show) to begin manufacturing Giant branded bikes to boost the Giant label. [10] These bikes were priced between $150 and $350, filling in the open entry level price gap that their Mosh labeled high-end bikes could not ...
Repeater use sparked a huge interest in the 2-meter and 70-centimeter (420–450 MHz) bands; however, this interest never fully found its way into the 1.25-meter band. Many amateurs attribute this to the abundance of commercial radio equipment designed for 136–174 MHz and 450–512 MHz that amateurs could easily modify for use on the 2-meter ...
The 2-meter amateur radio band is a portion of the VHF radio spectrum that comprises frequencies stretching from 144 MHz to 148 MHz [1] in International Telecommunication Union region (ITU) Regions 2 (North and South America plus Hawaii) and 3 (Asia and Oceania) [2] [3] and from 144 MHz to 146 MHz in ITU Region 1 (Europe, Africa, and Russia).
The 70-centimeter amateur band also provides a wider spectrum than the 2-meter band (in the U.S., this is 30 MHz of spectrum, compared to only 4 MHz on the 2-meter band). [2] This allows for many more channels, accommodating fast scan television , wideband digital modes, and point-to-point linking, which may not be permitted on 2-meter and ...
Hi! Thanks for asking! The distinction of the dash connects the number to the band as one single thing. You would write “70 centimeters” if you were measuring something, and the plural is used, whereas “70-centimeter band” is just one whole thing. The wave is 70 centimeters, so it is the 70-centimeter band. I don’t know if that makes ...
This article provides a summary description of many of the different antenna types used for radio receiving or transmitting systems. This summary article collects groups of antennas based on their electrical operation. The classification and sub-classifications below follow those typically used in most antenna engineering textbooks. [1] [2] [3 ...