About the Simplex Preservation Society

- DEFINITION : SIMPLEX
- THE VHF MISSION : PART ONE : MONITORING
- THE VHF MISSION : PART TWO : UTILIZATION
- THE VHF MISSION : PART THREE : PRESERVATION
- THE HF MISSION : GENERAL COMMUNICATIONS
- INTERNET
- AMPLIFIERS
- REPEATERS
- MESSAGE TO REPEATER NET CONTROL STATIONS
- CLOSING COMMENTS

DEFINITION : SIMPLEX

For the purposes of the Simplex Preservation Society, simplex means the direct, antenna to antenna, RADIO FREQUENCY contact between two Amateur Radio stations using any authorized frequency or mode.