The recordings on this website were made by the author or were submitted by other Numbers enthusiasts.

We are using the ENIGMA, N&O and Priyom codes for each station. The codes indicate the language of the transmission or the mode of the transmission:

E = English

G = German

S = Slavic

V = Various languages

M = Morse

X = Various modes / oddities

SK = Digital modes

HM = Hybrid Mode

DP - Digital Pseudo-polytone

The last page contains non-numbers stations and unid stations.