| Samples | # of OCCUPIED (EXISTING) call signs | |
|---|---|---|
| Callbook 1990 |
License Search (2003) |
|
| JA1AAA-AAZ | 18 | 9 |
| JA1BAA-BAZ | 16 | 11 |
| JA1CAA-CAZ | 17 | 12 |
| JA1DAA-DAZ | 8 | 6 |
| JA1EAA-EAZ | 4 | 5 |
| JA1FAA-FAZ | 14 | 11 |
| JA1GAA-GAZ | 16 | 8 |
| JA1HAA-HAZ | 12 | 6 |
| JA1IAA-IAZ | 14 | 7 |
| JA1JAA-JAZ | 13 | 8 |
| JA1KAA-KAZ | 13 | 11 |
| JA1LAA-LAZ | 15 | 8 |
| JA1MAA-MAZ | 12 | 11 |
| JA1NAA-NAZ | 22 | 13 |
| JA1OAA-OAZ | 10 | 8 |
| JA1PAA-PAZ | 11 | 10 |
| JA1QAA-QAZ | 16 | 9 |
| JA1RAA-RAZ | 14 | 10 |
| JA1SAA-SAZ | 11 | 6 |
| JA1TAA-TAZ | 13 | 7 |
| JA1UAA-UAZ | 10 | 5 |
| JA1VAA-VAZ | 17 | 12 |
| JA1WAA-WAZ | 16 | 8 |
| JA1XAA-XAZ | 16 | 10 |
| Average | 13 | 211/24 = 8.79 |
| Vacancy | 26-13 = 13 13/26 = 50% |
26-8.79 = 17.21 17.21/26 = 66.19% |
| Availability | 16,142*(50%) = 8,071 suffixes | 16,142*(66.19%) = 10,684 suffixes |
| Occupied: | 8,218 | (50.9%) |
| Vacant: | 7,942 | (49.1%) |
| Total: | 16,142 | (100.0%) |