| CV-Helios Network | ||
| CV-observers in October 2015 | 32 | 432 |
| Observer number and name | Country | No. obs. |
| CV-001 KJELL INGE MALDE | NORWAY | 17 |
| CV-010 FRANKY DUBOIS | BELGIUM | 21 |
| CV-019 ELMAR JUNKER | GERMANY | 11 |
| CV-020 MANFRED HOLL | GERMANY | 12 |
| CV-021 HOWARD BARNES | NEW ZEALAND | 3 |
| CV-022 ANDREAS VIERTEL | GERMANY | 12 |
| CV-023 HARTMUT BRETSCHNEIDER | GERMANY | 10 |
| CV-034 VVS BELGIUM | BELGIUM | 28 |
| CV-038 GERMAN MORALES | BOLIVIA | 31 |
| CV-040 ROBERTO BATTAIOLA | ITALY | 4 |
| CV-044 GERD SCHROEDER | GERMANY | 13 |
| CV-068 SVEN OVE THIMM | DENMARK | 9 |
| CV-077 ANDREW JOHNSTON | UNITED KINGDOM | 14 |
| CV-080 JAN JANSSENS | BELGIUM | 3 |
| CV-082 PIOTR URBANSKI | POLAND | 20 |
| CV-086 TOS POLAND | POLAND | 31 |
| CV-091 GRZEGORZ DALEK | POLAND | 14 |
| CV-102 PAULO ROBERTO MOSER | BRAZIL | 11 |
| CV-103 OCTAAF STEEN | BELGIUM | 22 |
| CV-104 LIEVE MEEUS | BELGIUM | 8 |
| CV-105 ALEXEY RYBACK | RUSSIA | 2 |
| CV-107 MONTY LEVENTHAL | AUSTRALIA | 8 |
| CV-135 GEMA ARAUJO | SPAIN | 29 |
| CV-136 FAUSTINO GARCIA | SPAIN | 14 |
| CV-139 JAVIER ALONSO | SPAIN | 13 |
| CV-151 JEFFREY CARELS | BELGIUM | 12 |
| CV-153 KRYSTYNA WIRKUS | POLAND | 9 |
| CV-171 WALTER JOSE MALUF | BRAZIL | 8 |
| CV-181 ADAM DERDZIKOWSKI | POLAND | 4 |
| CV-198 DENIS WALLIAN | FRANCE | 8 |
| CV-201 SANTANU BASU | INDIA | 26 |
| CV-207 ONDREJOV OBS. (AI CAS) | CZECH REPUBLIC | 5 |