| Callsign | W4ROP |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2021-05-25 |
| Effective Date | 2021-05-25 |
| Expire Date | 2031-05-25 |
| Cancel Date | |
| Last Action Date | 2024-03-18 |
| End Date | 2031-05-25 |
| Available Date | 2033-05-26 |
| Applicant Type | B - Amateur Club |
| Entity Name | Amateur Radio Offroad Posse |
| Street Address / Locality | 15375 Barranca Parkway Suite H104 Irvine, CA 92618 |
| County | Orange County |
| Zip Location | 33°40'05.4"N 117°44'03.0"W |
| Maidenhead | DM13dq |
| FRN | 0030740625 |
| Licensee ID/SGIN | L02437137 / 000 |
| Licensee Class | |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 6 / CA |
| Prev Callsign / Prev Class | KN6OHB |
| Next Callsign | |
| Trustee Callsign / Trustee Name | WE6ER Weber, Dale A |
| Vanity Type | F - By List (Club) |
| ULS File Number | |
| Phonetic weight / Morse weight | 11 / 64 |