| Callsign | NI1U |
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 2009-03-21 |
| Effective Date | 2009-03-21 |
| Expire Date | 2019-04-30 |
| Cancel Date | 2021-05-01 |
| Last Action Date | 2021-05-01 |
| End Date | 2019-04-30 |
| Available Date | 2021-06-01 |
| Applicant Type | B - Amateur Club |
| Entity Name | GUILFORD RADIO SOCIETY |
| Street Address / Locality | 631 GREAT HILL RD GUILFORD, CT 06437 |
| County | New Haven County |
| Zip Location | 41°19'54.4"N 72°41'48.5"W |
| Maidenhead | FN31ph |
| FRN | 0018610352 |
| Licensee ID/SGIN | L01475508 / 000 |
| Licensee Class | |
| Callsign Group | A - 2x1 |
| ULS/Geo Region | 1 / 1 / CT |
| Prev Callsign / Prev Class | KB1DST |
| Next Callsign | |
| Trustee Callsign / Trustee Name | KM1R CASTELLANO, MICHAEL J |
| Vanity Type | D - In Memoriam (Club) |
| ULS File Number | 0003777551 |
| Phonetic weight / Morse weight | 10 / 44 |