What character(s) does a bitstring is encoded in each character set?

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81f73f3f3f3f414d403f81f73f3f3f3f414d4042?÷????AM@?÷????AM@B
SJIS-WIN3f81f73f3f3f3f414d403f81f73f3f3f3f414d4042?¶????AM@?¶????AM@B
EUC-JP3f81f73f3f3f3f414d403f81f73f3f3f3f414d4042??????AM@??????AM@B
UTF-83f81f73f3f3f3f414d403f81f73f3f3f3f414d4042???????AM@???????AM@B
UHC3f81f73f3f3f3f414d403f81f73f3f3f3f414d4042?괈????AM@?괈????AM@B