- Publication Title:
- Ionospheric data, CRPL-F57, May 1949; prepared by Central Radio Propogation Laboratory.
- Display Title:
- Ionospheric data, CRPL-F57, May 1949; prepared by Central Radio Propogation Laboratory.
- Corporate Agency Authors:
- National Bureau of Standards and Commerce Dept.
- Sort Author:
- National Bureau of Standards
- Date:
- [May 24, 1949.]
- Publish Date ISO Format:
- 1949-05-24T00:00:00Z
- Publication Start:
- 19490524
- Publication End:
- 19490524
- Corporate/Agency Author:
- National Bureau of Standards
- Publication month:
- 8
- Publication year:
- 1949
- SuDoc number:
- C 13.83:F 57
- Description:
- cover title, 54 p. il. 4°
- Notes:
- [Monthly. Processed.]
- Notes:
- [Monthly. Processed.] ‡ Official Use. Not Available.
- Availability:
- ‡ Official Use. Not Available.
- Monthly Catalog date:
- July 1949
- Monthly Catalog issue number:
- 654
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1949-07-01T00:00:00Z
- Monthly Catalog entry number:
- 15220
- Record start page number:
- 116