11. The magazine is published six times per year by the Radio Amateurs of Canada. 12. Sonabo contacted radio amateurs in El Salvador, and they passed word to Vides'stunned relatives. 13. Many radio amateurs keep them as a simple way to check their output frequency. 14. First signals from satellite were received around 12 : 10 UTC by radio amateurs . 15. There is a broad range of hardware solutions for radio amateurs and home use. 16. Radio amateurs have a tradition of helping in emergencies and search and rescue operations.17. In 1989, the former military government dispatched radio amateurs there in an army helicopter. 18. Bj�rk is there and tells them that a radio amateur heard Kalle's help message. 19. Radio amateurs can not broadcast or transmit music and other general public entertainment programming.20. I made a radio amateur transmission from international airspace.