✦ LIBER ✦

Averages of critical frequencies and virtual heights of the ionosphere, observed by the National Bureau of Standards, Washington, D.C., May to August, 1937

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Averages of critical frequencies and vir

📂 Article 📅 1937 🏛 American Geophysical Union 🌐 English ⚖ 56 KB

Averages of critical frequencies and vir

📂 Article 📅 1937 🏛 American Geophysical Union 🌐 English ⚖ 101 KB

Averages of critical frequencies and vir

📂 Article 📅 1938 🏛 American Geophysical Union 🌐 English ⚖ 90 KB

Averages of critical frequencies and vir

📂 Article 📅 1938 🏛 American Geophysical Union 🌐 English ⚖ 51 KB

Averages of critical frequencies and vir

📂 Article 📅 1937 🏛 American Geophysical Union 🌐 English ⚖ 47 KB

Averages of critical frequencies and vir

✍ Gilliland, T. R.; Kirby, S. S.; Smith, N.; Reymer, S. E. 📂 Article 📅 1936 🏛 American Geophysical Union 🌐 English ⚖ 459 KB