| Answer | Crossword Clue |
|---|---|
| GPOS | Mail stations: Abbr. |
| APOS | Overseas mail stations: Abbr. |
| APOS | Military mail stations: Abbr. |
| DEPOTS | Mail stations |
| STAS | Stations: Abbr. |
| POS | Weigh stations: Abbr. |
| POS | Mailing stations: Abbr. |
| SYST | A group of radio stations: Abbr. |
