A) 2 meter band.
Consulting the 2 meter band privileges granted by the FCC we can see that 146.52 MHz falls within the frequency range that US hams are allowed to operate.
2 Meters Band PlanAll Amateurs except Novices:
144.0-144.1 MHz: CW Only
144.1-148.0 MHz: CW, Phone, Image, MCW, RTTY/Data