| Callsign | KY4HOO |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2021-10-15 |
| Effective Date | 2022-10-11 |
| Expire Date | 2031-10-15 |
| Cancel Date | |
| Last Action Date | 2024-03-18 |
| End Date | 2031-10-15 |
| Available Date | 2033-10-16 |
| Applicant Type | B - Amateur Club |
| Entity Name | Yahoo Employee Amateur Radio Club |
| Street Address / Locality | 130 Darby Drive Winchester, VA 22602 |
| County | Frederick County |
| Zip Location | 39°08'39.3"N 78°17'05.3"W |
| Maidenhead | FM09ud |
| FRN | 0006326185 |
| Licensee ID/SGIN | L00463018 / 000 |
| Licensee Class | |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | W5VRC |
| Next Callsign | |
| Trustee Callsign / Trustee Name | K4ED Sunderlin, Mark E |
| Vanity Type | F - By List (Club) |
| ULS File Number | 0010235841 |
| Phonetic weight / Morse weight | 12 / 80 |