| Callsign | K1OS |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2017-01-04 |
| Effective Date | 2017-01-04 |
| Expire Date | 2027-02-12 |
| Cancel Date | |
| Last Action Date | 2024-03-13 |
| End Date | 2027-02-12 |
| Available Date | 2029-02-13 |
| Applicant Type | B - Amateur Club |
| Entity Name | OCEAN STATE AMATEUR RADIO GROUP |
| Street Address / Locality | PO Box 20004 Cranston, RI 02920 |
| County | Providence County |
| Zip Location | 41°46'02.4"N 71°27'55.8"W |
| Maidenhead | FN41gs |
| FRN | 0005869938 |
| Licensee ID/SGIN | L00288141 / 000 |
| Licensee Class | |
| Callsign Group | A - 1x2 |
| ULS/Geo Region | 1 / 1 / RI |
| Prev Callsign / Prev Class | KB1BXP |
| Next Callsign | |
| Trustee Callsign / Trustee Name | K1CR DEL GIUDICE, JOSEPH F |
| Vanity Type | F - By List (Club) |
| ULS File Number | 0004247774 |
| Phonetic weight / Morse weight | 8 / 54 |