A few details about the LSGS SIR feed 

History
In January 2008 this channel for Sion (LSGS SIR) was created, which is running 24 hours a day.

Setup
for Sion LSGS SIR feed:

- External antenna
- Scanner Uniden UBC-120XLT
- Esprimo Q920
- Windows 10 Pro 64
- AltaCast 1.1

Frequencies
Sion Tower: 118.275
Sion Ground: 121.705
Sion Approach (IFR ARR MIL OFF): 126.825
Sion Airport Handling: 131.475
Alpine Jet Service Handling: 131.670
Signature Flight Support Handling: 131.955

Links
LiveATC.net Website
LiveATC.net listen LSGS feed
Sion Airport SIR/LSGS

Notes
This feed is run by a volunteer, 24x7x365 if possible.
Airport hours of operation:
-  Summer: 0500 - 1800 UTC
-  Winter: 0700 UTC - SS+30