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| Chinese National Standard Category: Astronomical instrument |
| English Title: | General specification for the ionospheric refraction correction system for exterior ballistic measurement by differential Doppler |
| Chinese Title: | 外弹道测量差分多普勒法电离层折射修正系统通用规范 |
| Standard No.: | SJ 20920-2005 |
| Category No.: | N94 |
| Issued by: | |
| Issued on: | 2005-3-11 |
| Implemented on: | 2005-4-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 6000 words |
| Similar Standards: | SJ 20920-2005 GB/T 9359.2-1988 GB/T 9359.1-1988 GB/T 9359.5-1988 GB/T 9359.4-1988 GB/T 9359.6-1988 GB 9359.7-1988 GB/T 9359.3-1988 GB 9359.8-1988 |
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