CQ DX Marathon

Resources, Hints & Tips: Invalid Callsigns

3A/IK4FXX 2023-01-28 No such call
4S7JL Operating maritime mobile
BG5IQX 2023-01-01 Uses USA-based remote but does not use a k/ call. Best to not use this.
D1DX 2023-02-04 2023-02-04 No issued call. Believed to be in Ukraine.
FT4YM/MM 2023-02-28 2023-03-05 /MM
FT8GAY 2023-01-06 2023-01-06 /EA2DX-@ "PLS send to me 5dollar retornig qs". No such call.
H44SHD 2022-12-20 2023-01-03 Working /MM those dates.
H44SHD/MM 2022-12-20 2023-01-03 /MM
RC6AL 2023-01-08 2023-01-08 No such call.
RI41POL 2022-10-08 Operates mostly MM
ZL7CN 2023-01-27 2023-01-30 No such call.