Information prepared by UT7UT (Dec. 15, 2011. Сorrected version Apr. 03, 2018)
Russian call signs are formed from the blocks.
1) Radio amateurs of the first categories:
- R0AA-R9ZZ (except for the suffix HQ);
- RA0AA-RZ9ZZ (with the exception of prefixes RB0-RB9, RE0-RE9, RH-RH9, RI0-RI9, RP0-RP9, RR0-RR9 and RS0-RS9);
- UA0AA-UI9ZZ;
- RA0A-RZ9Z (with the exception of prefixes RB0-RB9, RE0-RE9, RH0-RH9, RI0-RI9, RP0-RP9, RR0-RR9 and RS0-RS9);
- UA0A-UI9Z.
2) Radio amateurs of the second categories:
- R0AAA-R9ZZZ (except for the suffix SRR);
- RA0AAA-RZ9ZZZ (with the exception of prefixes RB0-RB9, RE0-RE9, RH0-RH9, RI0-RI9, RP0-RP9, RR0-RR9 and RS0-RS9);
- UA0AAA-UA9ZZZ.
3) Radio amateurs of the third categories:
- UB0AAA-UD9ZZZ;
- UF0AAA-UG9ZZZ.
4) Radio amateurs of the fourth category:
- UE0AAA-UE9ZZZ;
- UH0AAA-UI9ZZZ.
5) Repeaters:
- RR0AA — RR9ZZ;
- RR0AAA — RR9ZZZ.
6) Beacons:
- RB0AA — RB9ZZ.
7) Satellites:
- RS00S-RS99S.
8) Expedition to space objects:
- RS00ISS — RS99ISS.
9) Polar stations, drifting in the ice of the Arctic Ocean (the numbers correspond to the number of polar station):
- R00SP — R99SP.
10) Amateur radio stations operating from Antarctica and Islands:
- RI prefix.
11) The activities of the Russian Amateur Radio Union:
- R0SRR — R9SRR;
- R0HQ — R9HQ;
- RAEM (only events dedicated to Ernst Krenkel).
12) The Memorial «Victory»:
- RP prefix.
13) Other special call signs:
- RA00A-RZ99Z, RA00AA-RZ99ZZ, RA00AAA-RZ99ZZZ, RA000A-RZ999Z, RA000AA-RZ999ZZ (with the exception of prefixes RB0–RB9, RI0–RI9, RP0–RP9, RR0–RR9 and RS0–RS9);
- R0AAAA-R9ZZZZ, R00AAA-R99ZZZ, R000A-R999Z, R000AA-R999ZZ, R0000A-R9999Z.
14) Other special call signs in the sphere of radio sports:
- R0A-R9Z;
- R00A-R99Z;
- R00AA-R99ZZ (with the exception of block R00SP-R99SP).
15) World War II veterans:
- U1-4, U6, U9-0 prefixes (sometimes in the series of prefixes R1-4, R6, R9-0);
- Remarks. U4MIR — Alexander Volkov, cosmonaut (astronaut).
16) Temporary stay of the foreign radio amateurs:
- RA/Home Call.
[Information from public sources. Analyzed by UT7UT. Copying material from the Website, citing a source: UT7UT Home Page]
