| Callsign | KB1MSU |
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2016-06-10 |
| Effective Date | 2016-06-10 |
| Expire Date | 2026-06-10 |
| Cancel Date | |
| Last Action Date | 2016-06-10 |
| End Date | 2026-06-10 |
| Available Date | 2028-06-11 |
| Applicant Type | B - Amateur Club |
| Entity Name | Greenfield High School Amateur Radio Club |
| Street Address / Locality | Greenfield High School 1 Lenox Ave Greenfield, MA 01301 |
| County | Franklin County |
| Zip Location | 42°37'36.3"N 72°36'05.5"W |
| Maidenhead | FN32qp |
| FRN | 0013258587 |
| Licensee ID/SGIN | L01001405 / 000 |
| Licensee Class | |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 1 / 1 / MA |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | KB1MFM Elliott, Stuart F |
| Vanity Type | |
| ULS File Number | 0007300129 |
| Phonetic weight / Morse weight | 12 / 72 |