It is pretty reliable and has an amazing number of features. Including CW and SSB memories + excellent CW decode.
I traveled with it to many places in the US and outside. Including PA, ES, OH, SP, 4X,... If anything is to be improved:
1. Better speech processor (and equalizer). The current one is less efficient than in K2 and 5 db below K3. See COMP_K3_KX3.pdf at
https://groups.yahoo.com/neo/groups/KX3/files. Unless signals are very strong, I give up on SSB with KX3 when portable.
2. Have an option for AT to turn off segment tuning. You tune on 14.010, QSY to 14.030, and AT turns off. Segment tuning is very good for stationary installations but not with portable antennas.
Ignacy, NO9E