The ionogram display shows the effective altitude of the ionospheric layer as a function of frequency.
2.
The result is displayed in the form of an ionogram, a graph of reflection height ( actually time between transmission and reception of pulse ) versus carrier frequency.
3.
In the International Union of Radio Science ( URSI ) he served with William Roy Piggott as co-author of the booklet on ionogram reduction and was vice-chairman and chairman of the ionospheric committee 1966 72.
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