首都机场的放行和地面的频率为啥总是听不到声音？

stargate

Beijing Ground
121.9(121.95) GND 01
HO
See AD 2.24-2A/2B for detail information
Beijing Ground
121.8(121.95) GND 02
HO
Beijing Ground
121.7(121.95) GND 03
H24
Beijing Ground
121.75(121.95) GND 04
HO
Beijing Ground
121.85(121.95) GND 05
HO
Beijing Delivery
121.6 DELIVERY01
H24
West of RWY18L/36R
Beijing Delivery
121.65 DELIVERY02
H24
East of RWY18L/36R

我能听清 119，119.7，118.5，118.6，125.9等等。。。可是地面和放行的就是收不到 - -
请问各位守听的地面和放行是哪些频率？
谢谢！