Stream Archives
The transmissions are archived on the liveatc.net server for 30 days.
First select the date and the station "LSGG - Geneva, Switzerland" / "LSGS - Sion, Switzerland" in the dropdown menu, then select the time.
Link to the archives
Note that the times on the archive site are in in Coordinated Universal Time (UTC), therefore you have to add 2 hours in summer and 1 hour in winter to get Switzerland time.