SRS is the national member society representing Serbia in the International Amateur Radio Union.

IRA is the national member society representing Iceland in the International Amateur Radio Union.

HRS is the national member society representing Croatia in the International Amateur Radio Union.

ARI is the national member society representing Italy in the International Amateur Radio Union.

RL is the national member society representing Luxembourg in the International Amateur Radio Union.

EFFAS comprises 27 member societies representing more than 14,000 investment professionals.

REF is the national member society representing France in the International Amateur Radio Union.

SRR is the national member society representing Russia in the International Amateur Radio Union.

ARM is the member society representing Macau in the International Amateur Radio Union.

RCA is the national member society representing Argentina in the International Amateur Radio Union.