Activation Leaderboard
Top operators ranked by radio contacts, unique locations, and program diversity across POTA (Parks), SOTA (Summits), WWFF (Nature Reserves), GMA (Mountains), and IOTA (Islands).
What do these terms mean?
Entities: Unique parks, summits, reserves, or other outdoor locations registered in programs like POTA, SOTA, WWFF.
QSOs: Radio contacts made during activations (short for "QSO", a Q-code meaning a two-way contact).
Programs: Outdoor radio programs (POTA = Parks on the Air, SOTA = Summits on the Air, WWFF = World Wide Flora and Fauna, GMA = Global Mountain Activity, IOTA = Islands on the Air).
Countries: Number of distinct countries where the operator has activated entities.
| # | Callsign | Entities | QSOs | |
|---|---|---|---|---|
| 🥇 | HB9DQM SOTA 20 | 20 | 931 | |
| 🥈 | HB9BIN POTA 8SOTA 8 | 16 | 697 | |
| 🥉 | HB9DLT POTA 15 | 15 | 321 | |
| Rank:4 | HB9ISN POTA 7SOTA 7 | 14 | 1,838 | |
| Rank:5 | HB9BQU POTA 4SOTA 9 | 13 | 441 | |
| Rank:6 | HB9PIM SOTA 11 | 11 | 119 | |
| Rank:7 | HB9FHX POTA 3SOTA 8 | 11 | 163 | |
| Rank:8 | HB9HUP POTA 6SOTA 4 | 10 | 172 | |
| Rank:9 | HB9HCS SOTA 10 | 10 | 235 | |
| Rank:10 | HB9GFQ POTA 3SOTA 7 | 10 | 319 | |
| Rank:11 | HB9CYX POTA 4SOTA 6 | 10 | 317 | |
| Rank:12 | HB9CRY POTA 1SOTA 9 | 10 | 195 | |
| Rank:13 | HB9DIZ POTA 3SOTA 6 | 9 | 170 | |
| Rank:14 | HB9CEV SOTA 9 | 9 | 235 | |
| Rank:15 | HB9HDV POTA 8 | 8 | 92 | |
| Rank:16 | HI3LER POTA 7 | 7 | 107 | |
| Rank:17 | HB9HWJ SOTA 7 | 7 | 136 | |
| Rank:18 | HB9BCK POTA 2SOTA 5 | 7 | 286 | |
| Rank:19 | HB9HGW POTA 2SOTA 4 | 6 | 71 | |
| Rank:20 | HB9DST SOTA 6 | 6 | 98 | |
| Rank:21 | HB9CGL SOTA 6 | 6 | 64 | |
| Rank:22 | HB9/DL6GCA SOTA 6 | 6 | 156 | |
| Rank:23 | HB9WDE SOTA 5 | 5 | 67 | |
| Rank:24 | HB9NBG SOTA 5 | 5 | 59 | |
| Rank:25 | HB9HWS SOTA 5 | 5 | 47 | |
| Rank:26 | HB9HBV POTA 2SOTA 3 | 5 | 146 | |
| Rank:27 | HB9GIN SOTA 5 | 5 | 68 | |
| Rank:28 | HB9FZC SOTA 5 | 5 | 47 | |
| Rank:29 | HB9ESC POTA 5 | 5 | 75 | |
| Rank:30 | HB9ENL SOTA 5 | 5 | 71 | |
| Rank:31 | HB9DLB SOTA 5 | 5 | 90 | |
| Rank:32 | HB9CBR SOTA 5 | 5 | 392 | |
| Rank:33 | HB9BHU SOTA 5 | 5 | 91 | |
| Rank:34 | HB9WDF SOTA 4 | 4 | 55 | |
| Rank:35 | HB9OME SOTA 4 | 4 | 89 | |
| Rank:36 | HB9IMQ POTA 2SOTA 2 | 4 | 110 | |
| Rank:37 | HB9HWI SOTA 4 | 4 | 29 | |
| Rank:38 | HB9HBU POTA 1SOTA 3 | 4 | 104 | |
| Rank:39 | HB9DGW SOTA 4 | 4 | 52 | |
| Rank:40 | HB9/YU1CA SOTA 4 | 4 | 148 | |
| Rank:41 | HB3YIY SOTA 4 | 4 | 55 | |
| Rank:42 | HB9TWM SOTA 3 | 3 | 100 | |
| Rank:43 | HB9LEK SOTA 3 | 3 | 20 | |
| Rank:44 | HB9JAY SOTA 3 | 3 | 82 | |
| Rank:45 | HB9JAB SOTA 3 | 3 | 27 | |
| Rank:46 | HB9HRM SOTA 3 | 3 | 43 | |
| Rank:47 | HB9HJI POTA 3 | 3 | 55 | |
| Rank:48 | HB9HIC SOTA 3 | 3 | 58 | |
| Rank:49 | HB9HDC SOTA 3 | 3 | 120 | |
| Rank:50 | HB9HBT SOTA 3 | 3 | 25 | |
| Rank:51 | HB9GCS SOTA 3 | 3 | 17 | |
| Rank:52 | HB9FRP POTA 1SOTA 2 | 3 | 33 | |
| Rank:53 | HB9EVF SOTA 3 | 3 | 228 | |
| Rank:54 | HB9EKO SOTA 3 | 3 | 56 | |
| Rank:55 | HB9EKJ SOTA 3 | 3 | 21 | |
| Rank:56 | HB9EAJ POTA 1SOTA 2 | 3 | 160 | |
| Rank:57 | HB9DOZ SOTA 3 | 3 | 113 | |
| Rank:58 | HB9DGV SOTA 3 | 3 | 57 | |
| Rank:59 | HB9CDH POTA 1SOTA 2 | 3 | 140 | |
| Rank:60 | HB9/DH8WN SOTA 3 | 3 | 47 | |
| Rank:61 | DG9MHZ POTA 3 | 3 | 78 | |
| Rank:62 | SP1FM POTA 2 | 2 | 103 | |
| Rank:63 | IW2LUY POTA 2 | 2 | 33 | |
| Rank:64 | HI5ATA POTA 2 | 2 | 49 | |
| Rank:65 | HB9IIO SOTA 2 | 2 | 53 | |
| Rank:66 | HB9HUT SOTA 2 | 2 | 55 | |
| Rank:67 | HB9HOR SOTA 2 | 2 | 19 | |
| Rank:68 | HB9DPR SOTA 2 | 2 | 59 | |
| Rank:69 | HB9BXU SOTA 2 | 2 | 35 | |
| Rank:70 | HB9BQB SOTA 2 | 2 | 55 | |
| Rank:71 | HB9BHW SOTA 2 | 2 | 50 | |
| Rank:72 | HB9BAB SOTA 2 | 2 | 50 | |
| Rank:73 | HB9ANB SOTA 2 | 2 | 15 | |
| Rank:74 | HB9AFI SOTA 2 | 2 | 116 | |
| Rank:75 | HB9/KI6CR SOTA 2 | 2 | 16 | |
| Rank:76 | HB9/EA3GRW SOTA 2 | 2 | 43 | |
| Rank:77 | HB9/DL3TU SOTA 2 | 2 | 34 | |
| Rank:78 | HB3YQT SOTA 2 | 2 | 17 | |
| Rank:79 | HB3YNL SOTA 2 | 2 | 15 | |
| Rank:80 | HB3YNJ SOTA 2 | 2 | 8 | |
| Rank:81 | LB4MI POTA 1 | 1 | 10 | |
| Rank:82 | IW2MJQ POTA 1 | 1 | 17 | |
| Rank:83 | IU2SLH POTA 1 | 1 | 65 | |
| Rank:84 | HI5YJM POTA 1 | 1 | 68 | |
| Rank:85 | HI5PPH POTA 1 | 1 | 911 | |
| Rank:86 | HB9VQS SOTA 1 | 1 | 12 | |
| Rank:87 | HB9UW SOTA 1 | 1 | 55 | |
| Rank:88 | HB9TYU POTA 1 | 1 | 37 | |
| Rank:89 | HB9TVK SOTA 1 | 1 | 22 | |
| Rank:90 | HB9TNF SOTA 1 | 1 | 4 | |
| Rank:91 | HB9ITZ POTA 1 | 1 | 1 | |
| Rank:92 | HB9ITP SOTA 1 | 1 | 11 | |
| Rank:93 | HB9IRX SOTA 1 | 1 | 8 | |
| Rank:94 | HB9IJS SOTA 1 | 1 | 23 | |
| Rank:95 | HB9IAX SOTA 1 | 1 | 9 | |
| Rank:96 | HB9HXJ SOTA 1 | 1 | 23 | |
| Rank:97 | HB9HXH POTA 1 | 1 | 11 | |
| Rank:98 | HB9HXG SOTA 1 | 1 | 7 | |
| Rank:99 | HB9HWF POTA 1 | 1 | 2 | |
| Rank:100 | HB9HTP SOTA 1 | 1 | 11 |
Data last refreshed: 2026-08-27
As we onboard more countries, the leaderboard will grow. Currently showing data for Switzerland, Liechtenstein, and the Dominican Republic.