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1. currents.bluewatercruising.org › articles › build-your-own-inexpensive-easy-highBuild Your Own Inexpensive, Easy, High-Performance VHF/AIS...

   currents.bluewatercruising.org › articles › build-your-own-inexpensive-easy-high

   • Αποθηκευμένο αντίγραφο

   For marine VHF (frequencies between 156 MHz to 163 MHz), a formula tells us the wavelength is about 1.91 metres. Many antenna designs exist, each emphasizing some important characteristic such as gain, directivity, polarization, bandwidth, and physical size.

2. www.sailworldcruising.com › news › 227075Build your own inexpensive, easy, high-performance VHF/AIS...

   www.sailworldcruising.com › news › 227075

   • Αποθηκευμένο αντίγραφο

   This article describes how to construct your own VHF antenna, using about $10 in parts plus a few hours of labour, and gives some straightforward mounting ideas. Advantages of separate antennas.

3. www.iaru-r1.org › wp-content › uploadsIARU Region 1 VHF band plan

   www.iaru-r1.org › wp-content › uploads

   50.550 Image working frequency 50.600 RTTY (FSK) 50.620 - 750 Digital communications 50.630 Digital Voice (DV) calling 51.210 - 390 FM/DV Repeater Inputs ... IARU Region 1 VHF band plan PREFERRED MODE AND USAGE. 144,000 -144,025 2700 all mode sattelite downlink only 144,025 -144,100 500 Telegraphy 144.050 Telagraphy calling

4. www.iaru-r1.org › wp-content › uploadsInternational Amateur Radio Union (IARU) | Region 1

   www.iaru-r1.org › wp-content › uploads

   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

5. www.nmeaboater.com › wp-content › uploadsDIY GUIDE TO QUALITY VHF INSTALLATIONS - NMEA Boater

   www.nmeaboater.com › wp-content › uploads

   VHF DIY GUIDE. GETTING STARTED. 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.

6. wiki.radioreference.com › index › Marine_VHF_Band_PlansMarine VHF Band Plans - The RadioReference Wiki

   wiki.radioreference.com › index › Marine_VHF_Band_Plans

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   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.

7. n5dux.com › ham › filesPRACTICAL ANTENNA DESIGN - N5DUX

   n5dux.com › ham › files

   The antenna designs presented here are specifically cut to the dimensions necessary f or proper operation in 140 -150 MHz VHF band. Each chapter deals with a particular design and an extra chapter at the last part is added to help the constructor in converting the given antenna dimensions for other frequencies.