| DOI | https://doi.org/10.48597/KB6S-U8Z6 |
|---|---|
| Start time | 1 September 1980 |
| Stop time | 1 January 1982 |
| Valid from | 5 January 2023 13:26:11 |
| Valid to | 3 July 2025 14:34:01 |
| DOI | https://doi.org/10.48597/86P7-73GF |
|---|---|
| Start time | 1 September 1980 |
| Stop time | 1 January 1982 |
| Valid from | 10 December 2018 13:30:00 |
| Valid to | 5 January 2023 13:26:11 |
| DOI | https://doi.org/10.48597/9PRS-CKKN |
|---|---|
| Start time | 1 September 1980 |
| Stop time | 1 January 1982 |
| Valid from | 1 May 2014 00:00:00 |
| Valid to | 10 December 2018 13:30:00 |