pub fn decode_base91_4(bytes: &[u8]) -> Result<u32, AprsError>Expand description
Decode a 4-byte base-91 value.
Each byte is in the ASCII range 33-124. The value is:
b[0]*91^3 + b[1]*91^2 + b[2]*91 + b[3]
ยงErrors
Returns AprsError::InvalidCoordinates if bytes is shorter than
4 bytes or any byte is outside the 33..=124 base-91 range.