A bushel (abbreviation: bsh. or bu. ) is an imperial and US customary unit of weight or mass based upon an earlier measure of dry capacity. The old bushel was equal to 4 pecks or 8 gallons and was used mostly for agricultural products such as wheat. Presently, the volume is usually only nominal, with bushels referring to standard quantities of mass instead.
interjection. 1  acronym for  ta-ta for now (i.e.  2 goodbye for now.) Used mainly in computer-based conversation (instant messaging, email, text messaging, etc.) TTFN. 3  See more words with the same meaning: Internet, texting, SMS, email, chat acronyms (list of) .
The J1939 standard has two types of messages (PGNs) that can be used by manufacturers to handle parameters or messages that are not already covered by the standard. The Proprietary A PGN (00EF0016) is a PDU1 message, and is used where the manufacture wants to direct the message to a specific destination node.very ECU on a J1939 network has an exclusive combination of the above fields, which results in a unique NAME for each module. The NAME is not only used to identify the module to other nodes on the bus, but it is also used in Network Management.