July 1987 - 1988
![[Image: Osyaberi_station.jpeg]](https://parlorfleur-pm.com/structure/station/Osyaberi_station.jpeg)
J-27 1988 - 1995. In J-31 1996 - 1998 the mini-disk was replaced by an circuit board, also the battery compartment moved to inside the station building, and from one to two AA batteries.
![[Image: Osyaberi_station.jpeg]](https://parlorfleur-pm.com/structure/station/Osyaberi_station.jpeg)
J-27 1988 - 1995. In J-31 1996 - 1998 the mini-disk was replaced by an circuit board, also the battery compartment moved to inside the station building, and from one to two AA batteries.
![[Image: IMG-20190614-114836.jpg]](https://i.postimg.cc/FRxzRvwJ/IMG-20190614-114836.jpg)