🔍 Key Concepts

• HF radiotelephone calling procedures for coast radio stations (not ship-to-ship) • Difference between using a station name vs. call sign in formal radio procedures • Use of ITU channels and when phonetic spelling is required

💭 Think About

• When calling a coast radio station on HF, what does standard radio procedure emphasize: the station’s name, its call sign, or both—and how many times? • Think about how a proper initial call should sound to avoid confusion and misidentification, especially over long-distance HF where signals may be weak. • In formal procedures, when are phonetics typically used, and why would that be especially important on HF?

✅ Before You Answer

• Verify which options mention a correctly selected ITU HF channel. • Check which choice clearly identifies the called station first, then the calling ship, in a structured, repeatable format. • Confirm whether standard HF call procedures require call signs and phonetic spelling, and how many times each is repeated.