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Table of contents
PACKET RADIO
Slide 2
Slide 3
Slide 4
Slide 5
PACKET FRAME STRUCTURES AX25.2.2 Standard
PACKET FRAME STRUCTURES Information Frame (I frame)
PACKET FRAME STRUCTURE
PACKET FRAME STRUCTURES Unnumbered Frame (UI frame)
Error Detection RTTY None
Error Detection Example Single Bit Error Detection - Model 20 TTY
Error Detection Example Error Detection Code – Checksum
Error Detection Error Detection and Single Error Correction
Packet Error Detection Frame Check Sequence (FCS) ISO 3309
Error Correction Packet Retransmission
Packet Hardware In the Beginning there was TAPR and Heathkit
Packet Hardware Today
Radio – Computer Interface BUXCOM RASCAL
TNC Packet Radio Commands
Applications & Software
Author:
Bob Willis, K2GLS