Any Nation­al soci­ety of IARU Region 3, can receive on request, an iden­ti­fi­ca­tion tape of the dif­fer­ent modes of sig­nals from Region­al MS Coor­di­na­tor.

• A1B — Machine sent Morse   (251 KB) 
• A3C — Slow speed Weath­er Fax   (174 KB)
• F1A-FSK — Fre­quen­cy Shift Morse   (229 KB)
• F1B — Radio Tele­type — Wide Shift   (309 KB)
• F3C — Weath­er Fax   (139 KB)
• M7B — Phase Mod­u­lat­ed, mul­ti-chan­nel, also known as “Vocoder” sys­tem   (155 KB)
• PIC — Picol­lo Trans­mis­sion   (127 KB)
• AXX — Naval Sys­tem, also known as “Alli­ga­tor”   (233 KB)
• OTHR — Over the Hori­zon Radar   (228 KB)
• PXX — Com­plex pulse posi­tion mod­u­la­tion sys­tem   (218 KB)
• T‑SCAN — Trav­el­ing Ionos­phere Sounder   (220 KB)