Radiosonde data of North America  [computer file]. 

 - Version 1.0. 
 - Boulder, C.O.  Asheville, N.C.  Forecast Systems Laboratory  National Climatic Data Center  1993- 
 - computer laser optical discs  4 3/4 in.  container inserts. 
<br/><br/> Title from disc label.  Description based on v. 4 (October 1994).  Title on insert 1: Radiosonde data of North America, 1946-1993.  "Updated."  Shipping list no.: 94-0047-E (v. 4; inserts 1-2).  "October 1994."  Disc characteristics: CD-ROM.  ISO 9660 format. 
<br/><br/>v. 4. 1990-1993. 
<br/><br/><br/>System requirements: DOS, UNIX, or VMS based computer system; retrieval software; CD-ROM drive. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atmosphere, Upper--Radiosonde observations--Databases.--North America<br/>CD-ROM Fed. Doc.<br/>Meteorology--Observations--Databases.--North America
<br/><br/><label>GPO Item No.: </label>0274-F 
<br/><br/><label>Gov. Doc. Class. No.: </label>C 55.281/2-2:R 11/V.-/CD C 55.281/2-2:R 11/INSERT-1 C 55.281/2-2:R 11/INSERT-2