La Posta Astro-Geophysical Observatory
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The La Posta Astro-Geophysical Observatory was built at Point Loma in 1964 by the Naval Electronics Laboratory. The site was built at a 3,900 foot (1,200 meter) altitude site in the Laguna Mountains, 65 miles (105 kilometers) east of San Diego.
[edit] History
The observatory played a major role in solar radio mapping, studies of environmental disturbances, and development of a solar optical videometer for microwave research.
Its 60-foot dish, which could both transmit and receive, was used for important research programs in propagation and ionospheric forecasting which were used during a number of Apollo space launches to predict solar activity that might hamper communications from the ground to the space capsules.