World maps of sporadic E (foEs greater than 7 MHz) for use in prediction of VHF oblique-incidence propagation
Abstract
The report presents three world-wide maps of sporadic E (foEs 7 MHz) derived from published vertical-incidence maps supplemented by new ionosonde data.
- Publication:
-
NASA STI/Recon Technical Report N
- Pub Date:
- June 1976
- Bibcode:
- 1976STIN...7712269S
- Keywords:
-
- Ionospheric Propagation;
- Sporadic E Layer;
- Maps;
- Periodic Variations;
- Radio Frequencies;
- Radio Transmission;
- Very High Frequencies;
- Communications and Radar