Cardiod receiving antenna for normal VLF SKYWAVES.
Cardiod whip-loop receiving antenna system using only passive circuitry to bring normal and abnormal components of VLF sky waves into phase with each other
RECEIVING SYSTEM↗
Engineering topics
Musser, J. M.
Publications and source records attributed to Musser, J. M..
Pre-sunrise changes in VLF radio waves ionospherically reflected near vertical incidence - II Final report
C-region development before ground sunrise detected by reflected sky wave measurements of very low frequency radio waves
SKY WAVE↗
The sunrise variability of vlf radio waves ionosperically reflected near vertical incidence
Explore the source record for details and available documents.
Musser, J. M.↗