Garmin SL30 Pilot's Manual page 48

Appendix
42
Localizer MHz Glideslope MHz
109.75
109.90
109.95
Each displayed localizer frequency is paired with a glideslope frequency that is not dis-
played.
Localizer MHz
333.05 111.75
333.80 111.90
333.65 111.95
Glideslope MHz
333.35
331.10
330.95