QSL
- 010: The first two-way QSO after half a century
- 009: Very QRP (1mW) CW QSO on 7MHz
- 008: Father of JA QRP (JA1AA tribute)
- 007: 10GHz EME reception
- 006: 432MHz EME (earth-moon-earth) contacts
- 005: AO10 and AO13/phase III satellite
- 004: W5LFL in space shuttle STS9 ”Columbia”
- 003: 144MHz TEP between Australia/Japan
- 002: 50MHz five continents in cycle 21
- 001: Classmates on the air (in my junior high school age)