Weekly quiz: Marine VHF duplex and simplex channels
VHF(Very High Frequency) Radio wave frequency band, between 30 and 300 MHz. By extension, the most widespread marine radio sets, operating on a series of predetermined channels between 156 and 174 MHz, with a range of a few miles to a few dozens of miles. is the marine communication means of choice.
Rather than bother with frequencies, its numbered channels was a great idea. It made radio simple to understand and use for boaters.
That is, until different needs led different countries to use it in different ways…
Question of the day:
🔹 How are duplex and simplex channels different?
And bonus question:
🔹 How is this relevant especially when switching from North American to international waters or vice-versa?
👉 Reply on one of our social media below. We’ll post the solution right here next Sunday!