GE ApexPro TT Technical Manual page 120

Replaceable parts
0 dB
Video
Notch
Attenuation = –48 dB
Notch filter channels 26 – 41
510 520 530 540 550
0 dB
-80.782 dB
533.53 MHz
High pass filter 560MHz
6-12
Audio
Notch
1 MHz/div
NOTE
Do not use the above filters with any transmitters within the specific TV channel.
The entire channel is severely attenuated.
Do not have transmitters operating or programmed within 2 MHz of either side
of the video and/or audio notch filter.
560 570 580 590
-3.4934 dB
560 MHz
10 MHz/div
0 dB
160A
Notch filter channels 36 and 38 center
600 610
65 575 585 595
0 dB
10 MHz/div
170A
ApexPro™
Attenuation = –75 dB
1 MHz/div
605 615 625 635
-3.827 dB
614 MHz
-73.96 dB
648.76 MHz
Low pass filter 614MHz
165A
645 655 665
175A
2001989-351A