Gateway Services / BT / Multi Antenna Systems / Summary 2 Satellite Systems / SSB / HF Amateur Radio / Trunked Repeater Systems / Satellite Packet Radio / Satellite Dispatcher Systems 3 HF Radio / The Leo Systems / Uninterruptable Power Supplies / Inmarsat / H.F. RADIO / /
licensed software / fruitless search / satisfactory and elaborate permanent systems / engineered solution / voice communications / short range communications / use communications equipment / even electricity / real time / communications equipment / aid communications / Internet Electronic Mail / statutory services / communications system / Text message systems / voluntary services / disaster communications / communications experts / Statutory emergency services / communications facilities / poor communications / telephone exchanges / identical software / point-to-point communications / communications problems / /
Organization
Disaster Relief Communications Foundation / Fire Brigade / Non Governmental Organisation / United Nations / Ambulance Service / SEMI / Amateur Radio Service / /
HF Radio 3.1 / 5.3 WGET 5.4 / Radio 3.2 / Amateur Radio 6.12 / Radio 3.5 / Packet Radio 6.18 / HF Radio 6.13 / Radio 6.16 / Amateur Radio 6.16 / Packet Radio 6 / Radio 3.4 / /
Technology
PSTN system / peer-to-peer / Mobile Phones / operating system / ISDN / cellular telephone / laser / PSTN / Pbx / /