I think you missed a generation or two. First generation - CW (binary states plus time)
Second generation - RTTY and FAX Third generation - AX.25 packet Fourth generation - what the OP called the "first" generation etc....... 73 de Dave, NF2G
I think you missed a generation or two. First generation - CW (binary states plus time)
Second generation - RTTY and FAX Third generation - AX.25 packet Fourth generation - what the OP called the "first" generation etc....... 73 de Dave, NF2G