7eec8703c4871d8723ea82e44f9c7069e403822f9514478386644cb3a905b1d34e95a2527f326541e81c0ae1e628077a3913d04a

7b988605c4f71a8323ef8597359c701f783db26e35be5889759a79ccb2443e7aa63d441bc9e30706f6946677c827d79711f643da66

원거리 피아식별, 신호 수단으로 쓴다는게 이거임?