A descr ip t ion is given of four rad io a s t r o n o m y expe r imen t s t h a t can be carr ied o u t w i t h s i m p l e very low ga in a n t e n n a s a t f requencies wh ich a re too low to p e n e t r a t e , free of d i s to r t i on , E a r t h ' s i onosphe re . T h e s e a r e : 1 M e a s u r e m e n t of t h e i n t e g r a t e d rad io flux f rom t h e galaxy a t f requencies below 10 m c ; 2 m e a s u r e m e n t of t h e d y n a m i c spec t ra of solar b u r s t s of f requencies below 30 m c ; 3 m e a s u r e m e n t of t h e d y n a m i c spec t ra of b u r s t s a t f requencies below 30 m c f rom t h e p l a n e t J u p i t e r ; 4 m e a s u r e m e n t of t h e d i s t r i b u t i o n of e lec t ron dens i t ies o u t w a r d f rom t h e Flayer of E a r t h ' s i onosphere . These expe r imen t s c an bes t be c o n d u c t e d aboa rd a h igh ly eccent r ic artificial E a r t h sa te l l i te wi th an apogee grea te r t h a n 5 t o 10 E a r t h rad i i .