Yahoo Αναζήτηση Διαδυκτίου

Αποτελέσματα Αναζήτησης

  1. 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.

  2. 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.

  3. 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

  4. Nautel has partnered with RF engineer Roger Coudé, the author of “Radio Mobile”[1] to provide simple, fast online VHF/UHF coverage mapping and point to point analysis worldwide. These tools are part of the new Nautel RF Toolkit, available free online at the website www.nautel.com.

  5. www.arrl.org › band-planBand Plan - ARRL

    A band plan refers to a voluntary division of a band to avoid interference between incompatible modes. Resources. Sharing arrangements. Detailed packet frequencies [PDF] Phone patch, autopatch and HF/VHF/UHF operating guidelines. "Considerate Operator's Frequency Guide" 2200 and 600 - meter bands.

  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.

  7. 18 Μαρ 2021 · VHF& up Bandplanning. You can find here the official IARU Region 1 bandplans currently valid from 50 MHz until 250 GHz. Only carefully considered modifications and/or additions have been made during the tri‑annual IARU Region 1 Conference.

  1. Γίνεται επίσης αναζήτηση για