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AIS uses two frequencies in the marine VHF band, 161.975 MHz (AIS1) and 162.025 MHz (AIS2). Electromagnetic (EM) wave: An oscillating electric and magnetic field that travels through space at the speed of light (which is also an EM wave).
Very High Frequency (VHF): The band of frequencies from 30 MHz to 300 MHz. Marine VHF spans 156 MHz to 163 MHz. Resources. Coax cable and connectors can be ordered from RadioWorld in Toronto. Their PL-259 silver-plated connector, part #CON-100S, costs $6.
29 Ιουλ 2023 · Marine VHF Band Plans. From The RadioReference Wiki. This table shows the difference between the United States, Canadian and International VHF marine channels. The rightmost column labled Common indicates the channels which are the same in all three band plans.
There are three key elements to a proper & reliable VHF installation: Antenna placement. Antenna cabling, routing & connectors. DC power requirements. See chart for details. Here are the steps to get you started: Select DC power cable & connectors based on radio location. Obtain proper MMSI# see www.nmea.org.
5 Φεβ 2016 · About ten years ago I installed a new VHF Marine Band antenna on my 22-foot Boston Whaler boat. I wrote an article describing in detail the installation and explaining why I chose the various components.
30 Αυγ 2023 · Selecting a suitable marine VHF antenna is crucial for boat owners relying on VHF radio for communication and safety. A well-chosen antenna can significantly improve radio transmission and reception, ensuring clear communication over longer distances.
National VHF/UHF/µWaves awards and certificates 41 Note 41 IARU REGION 1 BANDPLANS 43 Introduction 43 General 43 European table of frequency allocations 43 50 – 54 MHz Band plan 44 Notes: bandplan 45 Footnotes: 45 Usage Notes 45 70.0 – 70.5 MHz Band plan 46 Notes: BANDPLAN 46 Notes: Usage 46 144 – 146 MHz Bandplan 47
