[aprssig] Aprx-rf log file

[Jeff_F5BCB]

Hi all,

I'm using the 2.8.2 version of APRXon Raspberry Pi /Debian.
When I take a look at RF log file (/var/log/aprx/aprx-rf.log), I see 
packets where originating call sign is preceded by "T" frames for 
transmission, "R" for reception but also by "d".
What is the significance of this tag ?

2016-01-07 07: 18: 58,097 F5BCB d * F3KT-4> APFD44, F5ZOY-3 *, NOGATE: 
4707.45NS00133.02W # PHG5360 - APRX 2.8.2 - 12 Km QTH? IN97FC Nantes Sud 
- 73 Michel f3kt at free.fr

73,
Jeff, F5BCB