I guess I didn't explain it very well for the two-digit repeater and radar. I'll take examples from six-digit serial notes I have. ZJV 353535 is a two-digit repeater. TVO 489984 is a radar.
For numbers having odd serial digits (like the seven-digit serial Canadian polymer posted above), two-digit repeaters are always radars.
For numbers having odd serial digits (like the seven-digit serial Canadian polymer posted above), two-digit repeaters are always radars.


















