Some ionosonde observations of ionosphere modification by very high power, high frequency ground-based transmission
- 1 November 1970
- journal article
- Published by American Geophysical Union (AGU) in Journal of Geophysical Research
- Vol. 75 (31), 6429-6435
- https://doi.org/10.1029/ja075i031p06429
Abstract
Some early observations of significant ionospheric modification resulting from F‐region heating by a very high power, high frequency transmitter located near Boulder, Colorado, are presented in this paper. A description of the Platteville heating transmitter facility, the locations of ionosonde and photometric diagnostic equipments, and the geometry of the experiment are given in a companion paper by Utlaut [1970]. A single‐plane inverted log periodic antenna, which has a half‐power beam‐width of the order of 90°, was used for transmitting. The ionosonde transmitter, which has a peak power of about 25 kw, was operated by using a 200‐Hz pulse repetition rate with a pulse duration of 64 μsec.Keywords
This publication has 4 references indexed in Scilit:
- Radio-reflectivity detection of artificial modification of the ionosphericFlayerJournal of Geophysical Research, 1970
- Amplification of ionospheric heating and triggering of ‘spreadF’ by natural irregularitiesJournal of Geophysical Research, 1970
- Some ionosonde observations of ionosphere modification by very high power, high frequency ground-based transmissionJournal of Geophysical Research, 1970
- Reflexions from irregularities in the ionosphereProceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1953