Carrier 42 HQX Manual de usuario descargar pdf (Pagina 13)

Using JT65-HF

Before making your first attempt at a JT65a QSO please confirm you have completed the

following checklist.

Your call sign and grid have been set to correct values. TX will not be available if

either your call sign or grid is not properly configured.

PTT and (if used) Rig control is properly configured and tested.

Your computer's time is synchronized properly with UTC. The built in time sync

methods in Windows XP/Vista/7 is not an acceptable time sync solution. For

options see Appendix E – JT65 and Time Sync.

Know that JT65a is a transmission lasting (approximately) 48 seconds and running

high power levels may overheat your rig.

Know that JT65a is meant to make exceedingly weak signal contacts and running

more power than necessary is neither of use or 'friendly' to others sharing the limited

space we have.

Know the proper sequence of a 'standard' JT65 QSO.

Before getting to using JT65-HF I would suggest that you skip ahead to Appendix A – The

JT65 Protocol and, at least, get an idea of how the JT65 protocol works, its advantages and

why it is so [seemingly] limited in some ways.

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Carrier 42 HQX Manual de usuario Pagina 13