| Prefix | Callsign | Starts | IOTA | Manager | Contest |
|---|
| 4O | 4O60GBP | 2012-07-15 | | 4O3Z | |
| 5B | P3EU | 2012-07-01 | AS-004 | 5B4AHO | |
| 7X | 7T5OI | 2012-07-01 | | | |
| 7X | 7V5OI | 2012-07-01 | | | |
| 7X | 7W50I | 2012-07-01 | | | |
| 7X | 7U50I | 2012-07-01 | | | |
| 7X | 7Y5OI | 2012-07-01 | | 7X2ARA | |
| 9A | 9A/HA7PL | 2012-07-24 | EU-170 | HA7PL | |
| 9A | 9A/HA6NL | 2012-07-24 | EU-170 | HA6NL | |
| 9A | 9A/HA6PS | 2012-07-24 | EU-170 | HA6PS | |
| 9A | 9A/HA6PJ | 2012-07-24 | EU-170 | HA6PJ | |
| 9A | 9A/HA7JJS | 2012-07-24 | EU-170 | HA7JJS | |
| 9A | 9A8ZRS | 2012-07-24 | EU-110 | S57L | includes 2012 IOTA Contest entry |
| 9A | 9A/VE3ZIK | 2012-07-24 | | DK8ZZ | |
| 9H | 9H3ZZ | 2012-07-17 | EU-023 | N6GQ | |
| 9H | 9H3BD | 2012-07-12 | EU-023 | EA2BD | |
| 9M6 | 9M6LSC | 2012-07-21 | | JF1LUT (THIS OPEATION ONLY) | |
| 9N | 9N7AK | 2012-05-20 | | K0YAK | |
| 9Q | TN9SN | 2011-11-01 | | TN9SN | |
| 9V | 9V1RM | 2011-10-15 | AS-019 | F5UDP | |
| A2 | A25JB | 2012-07-21 | | WB6OJB | |
| A2 | A25JK | 2012-07-24 | | WB6OJB | |
| A5 | A52SV | 2011-10-15 | | JA2PSV | |
| BY | BD4KYA/4 | 2012-04-23 | AS-146 | BD4KYA | |
| C6 | C6ABB | 2012-02-13 | NA-001 | N2RFA | |
| C9 | C91IW | 2012-07-01 | | ZS1WY | |
| CE | 3G90AA | 2012-07-01 | | CE3AA | |
| CE9 | DP0GVN | 2011-12-01 | | DL5EBE | |
| CE9 | VU3BPZ | 2012-01-05 | | I1HYW | |
| CN | CN2JV | 2011-09-01 | | CN2JV | |
| CN | CN2YZ | 2012-03-01 | | | |
| CN | CN2SM | 2012-04-28 | | DL9KSM | |
| CY0 | CY0/N0TG | 2012-07-15 | NA-063 | N0TG | |
| CY9 | CY9M | 2012-07-20 | NA-094 | M0URX | |
| D2 | D2SG | 2011-10-01 | | GM4FDM | |
| D2 | D3AA | 2012-01-12 | | UA1QV | |
| DL | DL150GH | 2012-01-01 | | | |
| DL | DM100MGY | 2012-01-01 | | DM100MGY | |
| DL | DQ0STRATEX | 2012-03-10 | | DK4REX | |
| DL | DL250COAL | 2012-05-10 | | DK8VR | |
| E5/S | E51AND | 2012-07-02 | OC-013 | AB7FS | |
| E7 | E720RS | 2012-03-01 | | E78CB | |
| EA6 | EA6/IZ2LSC | 2012-07-24 | EU-004 | 9Z2LSC | includes 2012 IOTA Contest entry |
| EA9 | EA9/EC7DZZ | 2012-07-20 | | EC7DXX | |
| EI | EI80IRTS | 2012-01-01 | EU-115 | EI4GXB | |
| EI | EI12VOR | 2012-07-01 | EU-115 | | |
| EU | EV910B | 2012-07-01 | | EW2EO | |
| F | TM70TRS | 2012-01-01 | | F6KHX | |
| FJ | TO2D | 2012-07-22 | NA-146 | HB9EOU | |
| FP | FP/VA2WA | 2012-07-20 | NA-032 | VA2WA | |
| FP | FP/VE3DZ | 2012-07-20 | NA-032 | VE3DZ | |
| G | GB80PW | 2012-01-02 | EU-005 | G3XFD | |
| GJ | MJ/OT9Z | 2012-07-20 | EU-013 | ON3NT | |
| GU | GP0PKT | 2012-01-04 | EU-114 | G6HNU | |
| H4 | H44RK | 2012-04-20 | | NR6M | |
| H4 | H44USMC | 0000-00-00 | | H44RK | |
| HC | HC1MD | 2012-07-21 | | K8LJG | |
| I | IB0F | 2012-07-23 | EU-O45 | OPS INSTRUCTIONS | includes 2012 IOTA Contest entry |
| I | IT9HQP/P | 0000-00-00 | EU-025 | IT9HQP | |
| J2 | J28SV | 2012-07-15 | | | |
| J2 | J28NC | 2012-07-01 | | F5RQQ | |
| JA | 8N6JAPAN | 2012-06-01 | AS-017 | | |
| JA | 8J6OKAJO | 2012-07-01 | AS-077 | 8J6OAKAJO | |
| JD/M | JG8NQJ/JD1 | 2012-07-15 | OC-073 | | |
| K | WB8YJF/4 | 2012-07-22 | NA-067 | WB8YJF | includes 2012 IOTA Contest entry |
| K | K1VSJ | 2012-07-01 | NA-046 | K1VSJ | includes 2012 IOTA Contest entry |
| K | N1EDU | 2012-07-22 | NA-137 | N1EDU | |
| KH8 | KH8RRC | 2012-06-27 | OC-045 | N7RO | |
| KH9 | KH9/WA2YUN | 2012-03-01 | OC-053 | K2PF | |
| KL7 | K6VVA/KL7 | 2012-07-15 | | N6AWD | |
| LA | LA/SP7IDX | 2012-07-20 | EU-044 | SP7IDX | includes 2012 IOTA Contest entry |
| LA | LA/SP7VC | 2012-07-20 | EU-044 | SP7VC | includes 2012 IOTA Contest entry |
| LX | LX75RL | 2012-01-01 | | LX2A | |
| OD | OD5/IV3XNF | 2012-04-27 | | IV3XNF | |
| OH | OH3T/p | 2012-07-20 | EU-096 | OH3T | |
| ON | ON500MERCATOR | 2012-06-01 | | ON7KO | |
| ON | ON85RCL | 2012-07-20 | | ON3AR | |
| ON | ON85RCL | 2012-07-20 | | ON3AR | |
| OZ | 5P5J | 2012-07-14 | EU-029 | F5LMJ | |
| OZ | OZ12SJ | 2012-07-21 | | OPS INSTRUCTIONS | includes 2012 IOTA Contest entry |
| P2 | P29FM | 2011-11-01 | OC-034 | SQ1K | |
| P4 | P40G | 0000-00-00 | SA-036 | OPS INSTRUCTIONS | 2012 CW WW RTTY Contest entry |
| PA | PC100NOM | 2012-07-05 | | PA0FAW | |
| PA | PA7DN/p | 2012-07-23 | EU-038 | PA7DN | |
| PY | PW7FD | 2012-07-01 | | PS7AB | |
| PY | PQ7FD | 2012-07-01 | | PS7AB | |
| R1FJ | RI1FJA | 2011-11-01 | EU-019 | RX3MM | |
| R1FJ | RI1FJ | 2012-07-01 | EU-019 | UA2FM | includes 2012 CW WW CW Contest entry |
| S5 | S555E | 2012-03-01 | | S50E | |
| S5 | S55CERKNO | 2012-03-01 | | S50E | |
| SU | SU9VB | 2011-11-01 | | UA4WHX | |
| SV | SX135HRC | 2012-06-12 | | SV1EOS | |
| SV | SV8/SV1CDY | 2012-07-21 | EU-075 | SV1CDY | includes 2012 IOTA Contest entry |
| SV9 | SX9S | 2012-07-01 | EU-015 | SV9AUE | |
| TF | TF/VE3IKV | 2012-07-17 | EU-021 | VE3IKV | |
| TL | TL8ES | 2011-10-01 | | IK3GES | |
| TR | TR0A | 2012-02-05 | | F4EIH | |
| TT | TT8PK | 2012-06-01 | | F4EGS | |
| TY | TY2BP | 2012-06-28 | | IK1IQD | |
| UA | R200V | 2012-06-12 | | RK3LO | |
| UA | R1150V | 2012-06-01 | | RK3VWA | |
| UA | RW0GB | 2012-07-10 | | RW8GB | possible IOTA Contest entry |
| UA | UA1EOJ/p | 2012-07-22 | | UA1EOJ | |
| UA9 | UE80C | 2012-06-01 | | | |
| UA9 | RI0K/p | 2012-07-15 | AS-092 | UA0OBA | |
| UA9 | RI0NZ | 2012-07-24 | AS-066 | UA0LCZ | includes 2012 IOTA Contest entry |
| UR | UT7E/P | 2012-07-24 | EU-179 | UT7EZZ | includes 2012 IOTA Contest entry |
| UR | UT9IO/P | 2012-07-21 | EU-182 | UT9IO | |
| V3 | V31WH | 2012-07-23 | NA-073 | W5HNS | includes 2012 IOTA Contest entry |
| V3 | V31MX | 2012-07-23 | NA-073 | K0BCN | includes 2012 IARU Contest entry |
| V3 | V31MO | 2012-07-23 | NA-073 | W5MRM | includes 2012 IOTA Contest entry |
| V4 | V47JA | 2012-07-12 | NA-104 | W5JON | includes 2012 IOTA Contest entry |
| V4 | V47HAM | 2012-07-12 | NA-104 | W5JON | |
| V5 | V51WH | 2012-03-12 | | DK2WH | |
| V7 | V73NS | 2011-11-01 | OC-028 | W3HNK | |
| V7 | V73FW | 2012-03-01 | OC-28 | K4FW | |
| VE | XM31812 | 2012-07-13 | | VE3ATX | |
| VP2M | VP2MDD | 2012-06-07 | NA-103 | M0AEP | |
| VP2M | VP2MUQ | 2012-07-17 | NA-103 | W5UQ | |
| VP2M | VP2MSJ | 2012-07-17 | NA-103 | W5SJ | |
| XU | XU7AVO | 2012-01-14 | | JA3AVO | |
| XZ | XZ1K | 2012-05-14 | | HS0ZIB | |
| YA | T6SM | 2011-12-01 | | IZ7VLL | |
| YA | T6JP | 2012-01-01 | | 5Q2J | |
| YA | T6MO | 2012-01-14 | | K9GY | |
| YA | T6RH | 2012-07-01 | | NI5DX | |
| YA | T6VT | 2012-07-20 | | 9A6AA | |
| YA | T6AC | 2012-07-11 | | DL4ST | |