>>508481455
so they are spelling NATO alphabet characters

Kilo
Juliet
Lima
and so on...

HFGCS EAM 250623 1709z
callsign: KILOGRAM

163 char EAM

KJL𝟺𝟼OBDI𝟹QLWSJYTXYF𝚉QHKSJ𝟺GPCX𝟺F
XEU𝟸RAWLHXANTU𝟺HEMCIPBIMLWSJVJR𝟸WAAR𝟹E𝟸R𝟸G
XEU𝟸JFRAU𝟹WKTU𝟺HWL𝟺WH𝟸IML𝟹SJM𝚉
XEU𝟸RAWLHXANTU𝟺HEMCIPBIMLWSJAFI𝟼
XEU𝟸RAANCIWFTU𝟺H𝟸𝟸NAWYBOBQ


99 of 100 transmissions are just "ping's" to check reception, thats it