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A Typical JT44/EME Exchange Using Standard EME Format

Don't Forget on 144mhz the Eastern most station starts first but on 432mhz the
Western most station starts first
. This is standard EME sequencing for these bands.


Both Stations Start By sending Both Calls 
                                                                    
you send =  BC 
                                                                          
you recv BC  = you send BC + OOO

you recv RORO = you send RRR

other station recv RRR = Send to you 73 (sending of 73 is optional)

At this point both stations should have received BC+0+R


OR IF INSTEAD YOU RECEIVE BC + OOO INITUALLY  INSTEAD OF JUST BC SEE BELOW

you were sending = BC

you recv BC + OOO = you send RORORO                                                     

you recv RRR = you send 73 (sending of 73 is optional)

At this point both stations should have received BC+0+R

Contact is considered vaild when both stations have received "Both Calls + 0 + R"
The sending of 73 is a good idea to let the other station know the sked is now complete.
NOTE It is possible the first thing you could get back is either just "Both Calls" or "Both Calls + OOO".
That is why you see the difference shown above.