| Echter Name | Robert Kosten |
|---|---|
| Jabber | rkosten@robertkosten.de |
| ICQ | |
| IRC | |
| Fediverse | {{{Fediverse}}} |
| DL-convers | |
| WW-convers | |
| Web | https://www.robertkosten.de |
| QRV | DO4RKO |
| QTH (Locator) | JO62on |
| Echolink | |
| APRS | |
| QTC-Net | |
| mail@robertkosten.de | |
| Matrix | {{{Matrix}}} |
| Packet-Radio | |
| Bild |
