A VHF frequency channel pair of TX 157.200...

Question 1 / 27070dw42Ka0BIHbqJqcyAZpz

Question 1 of 27070dw42Ka0BIHbqJqcyAZpz

A VHF frequency channel pair of TX 157.200 MHz and RX 161.800 MHz would most likely be:

Question 1 of 27070

A VHF frequency channel pair of TX 157.200 MHz and RX 161.800 MHz would most likely be:

🔍 Key Concepts

• Simplex vs. duplex VHF operation (who transmits/receives on which frequency) • Typical use of Public Correspondence Coast Radio Stations (telephone/third‑party traffic via shore station) • How paired frequencies are normally used in marine VHF services

💭 Think About

• Ask yourself: If two different frequencies are listed as TX and RX, what does that say about whether the operation is simplex or duplex? • Consider what type of station normally uses one frequency on the ship and a different one on the coast side for connecting to the public telephone network. • Think about whether VTS communications are generally on simplex working channels or on paired duplex channels.

✅ Before You Answer

• Verify whether simplex means the same or different frequency for transmit and receive. • Check if Public Correspondence Coast Radio Stations are associated with connecting ship stations to the public telephone system. • Confirm whether a channel pair implies one frequency is used by the ship and the other by the coast station.

Question 1 of 27070

A VHF frequency channel pair of TX 157.200 MHz and RX 161.800 MHz would most likely be:

A VTS frequency for VTS - Ship communications.

A simplex Public Correspondence Coast Radio Station frequency.

A simplex Private Coast Radio Station frequency.

A duplex Public Correspondence Coast Radio Station frequency.

Question 1 / 27070dw42Ka0BIHbqJqcyAZpz

Question 1 of 27070dw42Ka0BIHbqJqcyAZpz

A VHF frequency channel pair of TX 157.200 MHz and RX 161.800 MHz would most likely be:

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Question 1 of 27070

A VHF frequency channel pair of TX 157.200 MHz and RX 161.800 MHz would most likely be: