What is the national calling frequency for FM simplex operations in the 70 cm band?

The national calling frequency for FM simplex operations in the 70 cm band is 446.000 MHz. This frequency is designated for general use by ham radio operators in the United States and is commonly used for informal FM simplex communications. It serves as a standard calling frequency where operators can make contact and then move to a different frequency for conversations.

The 70 cm band, which ranges from 420 to 450 MHz, is popular for many types of communications, and 446.000 MHz is particularly favored for its accessibility and widespread use. Understanding this frequency helps operators effectively initiate and engage in local communications.