= NOW 13 WPM = TEXT IS FROM OCTOBER 2021 QST PAGE 51 = REAL TIME STREAMING OF DATA. A FLOOD OF DATA QMESH USES SYNCHRONIZED FLOODING TO PROVIDE THESE CAPABILITIES. SYNCHRONIZED FLOODING IS A PACKET RELAY TECHNIQUE WHERE EVERY NODE REPEATS THE DATA IT RECEIVES AT ROUGHLY THE SAME TIME. A MAJOR DRAWBACK OF SYNCHRONIZED FLOODING, HOWEVER, IS THE SELF INTERFERENCE THAT OCCURS FROM THESE SIMULTANEOUS RETRANSMISSIONS. QMESH USES A FEW TECHNIQUES TO MITIGATE THIS SELF INTERFERENCE. FIRST, IT EMPLOYS FORWARD ERROR CORRECTION FEC TO CORRECT INTERFERENCE INDUCED < QST DE W1AW = ERRORS. SECOND, QMESH RANDOMLY VARIES THE CENTER FREQUENCY OF TRANSMISSIONS BY 25 OF THE LORA WAVEFORMS BANDWIDTH COMMON LORA SPREAD SPECTRUM BANDWIDTHS INCLUDE 125 KHZ, 250 KHZ, AND 500 KHZ. FINALLY, QMESH RANDOMLY ADDS A TIMING OFFSET OF UP TO HALF OF A LORA SYMBOL PERIOD. WITH A SPREAD SPECTRUM WAVE FORM LIKE LORA, THE LAST TWO TECHNIQUES REDUCE THE OVERLAP BETWEEN CONCURRENT TRANSMISSIONS, WHICH INCREASES THE LIKELIHOOD = END OF 13 WPM TEXT = QST DE W1AW <