Proceedings of the IEE - Part III: Radio and Communication Engineering

Volume 98, Issue 53, May 1951

Volume 98, Issue 53

May 1951

Crystal diodes
Crystal triodes
The authors' replies to the discussions on “Crystal diodes” and “Crystal triodes”
The use of saturable reactors as discharge devices for pulse generators
Comparison of ionospheric radio transmission forecasts with practical results
The ionospheric propagation of low- and very-low-frequency radio waves over distances less than 1000 km
A wide-band aerial system for circularly polarized waves, suitable for ionospheric research
Some notes on overtone crystals and maintaining oscillators operating in the frequency range of 33–55 Mc/s
The determination of time and frequency
Frequency standardization

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