7plus: 7plus (encoder vaguely similar to Unix's UUENCODE) 7plus: 7plus: It uses a very effective radix216 encoding and incorporates diverse 7plus: mechanisms to ensure decoded data is not corrupted. It also includes 7plus: an interactive repair mechanism which allows the repair of damaged 7plus: files using correction files, thus eliminating the need to retransmit 7plus: entire files. In case of a corruption, only the faulty sections are 7plus: resent. 7PLUS is only meant to be used within the Packet Radio network 7plus: for the tranport of binary data through Packet Radio mail. It cannot 7plus: be used for Internet eMail since it needs a (almost) transparent path 7plus: from end to end."