What is the frequency for the north tower?

The frequency for the north tower at Vancouver International Airport (YVR) is indeed 119.55 MHz. This frequency is used for air traffic control communications related to the north operations of the airport, which includes coordination of aircraft movements and vehicle operations on the airside.

Understanding the correct frequency is crucial for maintaining safe communication protocols while operating on the airside. It helps ensure that vehicle operators can receive instructions and guidance from air traffic control, thus promoting the safety and efficiency of airport operations. In this context, the other frequencies listed do not correspond to the designated frequency for the north tower at YVR. Each frequency is assigned to specific functions or areas around the airport, and using the appropriate one is essential for effective communication.