| Callsign | KB1KSJ |
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2024-04-24 |
| Effective Date | 2024-04-24 |
| Expire Date | 2034-01-26 |
| Cancel Date | |
| Last Action Date | 2024-04-24 |
| End Date | 2034-01-26 |
| Available Date | 2036-01-27 |
| Applicant Type | B - Amateur Club |
| Entity Name | Mount Washington Observatory ARC |
| Street Address / Locality | 119 Dandi View Rd North Conway, NH 03860 |
| County | Carroll County |
| Zip Location | 44°02'08.6"N 71°07'02.0"W |
| Maidenhead | FN44ka |
| FRN | 0010269462 |
| Licensee ID/SGIN | L00803593 / 000 |
| Licensee Class | |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 1 / 1 / NH |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | KB1EZJ Fitch, Gregory S |
| Vanity Type | |
| ULS File Number | 0011029683 |
| Phonetic weight / Morse weight | 13 / 80 |