pub fn parse_aprs_extensions(comment: &str) -> AprsDataExtensionExpand description
Parse data extensions from an APRS position comment string.
Extracts CSE/SPD, PHG, altitude (/A=NNNNNN), and DAO (!DAO!)
extensions per APRS101 Chapters 6-7.
§Parameters
comment: The comment string after the APRS position fields.
§Returns
An AprsDataExtension with each field populated if found.