Denpa
Denpa was an early Japanese satellite launched by ISAS (Institute of Space and Astronautical Science) to carry out measurements of the ionosphere. It was also known as REXS.
| launch date | Aug 19, 1972 |
| launch vehicle | M-3S |
| launch site | Kagoshima |
| orbit | 238 × 6,322 km × 31.0° |
| mass (at launch) | 75 kg |
