Which band is designated for use by Technician Class operators operating on 70 cm?

The 70 cm band is designated specifically for use by amateur radio operators in the frequency range of 430 to 440 MHz. This is an important band for Technician Class operators, as it offers a wide variety of communication opportunities, including local conversations and repeater operations. The frequency allocation allows for effective use of the band in both voice and data communications.

The other bands mentioned in the options do not fall within the specifications for the 70 cm band. The 220 MHz band is actually a part of the 1.25 meter band, the 144 MHz band pertains to the 2-meter band, and the 50 MHz band is part of the 6-meter band. Understanding these distinctions is essential for properly utilizing the amateur bands allocated for Technician Class operators.