In the base of the spacecraft is the transmitter, separate from the instruments. Also in?
In the base of the spacecraft is the transmitter, separate from the instruments. Also in the base is the recycle timer. If the battery voltage falls too low, the timer removes the electrical load of the spacecraft for 24 hours to allow the batteries to charge from the solar cells.
An auxilliary experiment is the measure of radiation damage to solar cells. With the extensive radiation measurements, it will be possible to evaluate glass filters.
One strip of cells is unprotected; the second has a covering of glass three mils thick; the third is protected by twenty mil glass; and the fourth by sixty mil glass.
Telemetered measurements will provide data comparing these coatings. the spring-loaded solar cell paddles are oriented to allow a uniform cell projection area at any payload - solar attitude. As part of the final check-out procedure, paddle-holding alignment is checked to be sure the spacecraft will fit inside the nose fairing.