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More and more, the VHF radio is fast becoming standard equipment on all boats. Still not required by law for boats under 65 feet, the VHF (very high frequency) radio can be invaluable in an emergency. For hand-held as well as fixed-mount radios, the costs range from under $100 to just over $300.
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www.fish.state.pa.us/anglerboater/2000/00julaug/vhfradi...
www.fish.state.pa.us/anglerboater/2000/00julaug/vhfradio.htm
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Learn how to choose a VHF radio. ... If there is an island in front of you with a hill, the VHF signal will probably not be able to go over the island as the signal needs nothing in front to have a range of 5 miles. VHF radios work everywhere (unlike cell phones) as the radio is self contained.
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www.outdooreyes.com/choosevhfradio.php3
www.outdooreyes.com/choosevhfradio.php3
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Installed on every continent, Jotron’s range of analogue VHF AM radios has earned a reputation for being among the most reliable radios available. ... Jotron - VHF / UHF Base Stations, Remote Access and Control Systems...
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www.airport-technology.com/contractors/comms/jotron/jot...
www.airport-technology.com/contractors/comms/jotron/jotron3.html
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The effective range of a VHF manpack radio in a specified environment is a parameter of primary interest to the military user. There are several ways to define effective range. The purposes of this report are (1) to present a discussion of effective range that will lead to a useful and meaningful definition;
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stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=h...
stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=html&identifier=AD0672069
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The evaluation was conducted to determine whether the balloon borne radio communication system (BBCS) is a practical means for extending the range of VHF/FM radios in the Republic of Vietnam (RVN). Three geographically different areas were chosen for the evaluation and a BBCS was placed in each area. ... Personal Author(s) :
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stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=h...
stinet.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=html&identifier=AD0466186
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TYPE APPROVED EQUIPMENT REGISTER; Make/Type Model Manufacturer Sort Freq. Range(MHz); 1 Motorola GP 68 Motorola Comp. Hand Portable 136 -174 MHz; 2 Vintek Rf Pro. VH 2005/2002 Vintek RF Bengal Hand Portable 146 - 174 MHz;
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www.tam.gov.mv/downloads/VHF-Range-Radios.pdf
www.tam.gov.mv/downloads/VHF-Range-Radios.pdf
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Range up to 6 miles outdoors / 180,000 sq. ft. or 10 floors indoors ... Operates on 27 VHF business-exclusive frequencies ... Home > Communications > CB/FRS Radios > VHF/UHF Business Radio > Motorola XV2600...
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www.zalmar.com/detail-Communications-overview-XV2600.ht...
www.zalmar.com/detail-Communications-overview-XV2600.htm
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Raymarine has added to its range of VHF radios with the launch of the RAY218E. This high specification radio is a class D DSC (Digital Selective Calling) transceiver, which transmits a GPS position and digital Mayday when the DSC button is operated. ... Ray218 DSC/Ray218E VHF...
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www.raymarine.co.uk/news-and-events/press-releases/apri...
www.raymarine.co.uk/news-and-events/press-releases/april-june-2007/raymarine-launches-high-specification-class-d-dsc-ray218e-vhf-radio/
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A. VHF handheld radios usually operate in the 1 to 2 watt range and sometimes up to as much as 5 watts output (but note that higher power levels will more quickly drain your batteries).
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www.hamradio-online.com/faq1.html
www.hamradio-online.com/faq1.html
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