Zwarte Panter 6447 KHz Zwarte Panter is on 6447 Khz at 1035 Utc with SINPO 34333. Email-address for reports zwartepanter1951(at)hotmail.com. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Related