URI(s)
Variants
- Helliwell, R. A. (Robert A.)
Identifies LC/NAF RWO
Identifies RWO
Exact Matching Concepts from Other Schemes
Closely Matching Concepts from Other Schemes
Sources
- found: LCCN 63-14128: His Whistlers and related ionospheric phenomena, 1965(hdg.: Helliwell, Robert A.; usage: Robert A. Helliwell)
- found: An Atlas of selected VLF spectra ... 1962:t.p. (R.A. Helliwell)
- found: Los Angeles times WWW site, June 13, 2011(Robert Helliwell; b. Robert Arthur Helliwell, Sept. 2, 1920, Red Wing, Minn.; d. May 3 [2011], Palo Alto [Calif.],at 90; Stanford Univ. electrical engineer; specialized in bouncing radio waves off the ionized particles in the upper atmosphere, transmitting them over long distances to deduce the structure of those upper layers)
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1985-03-13: new
- 2011-06-13: revised
Alternate Formats