07/03/03 48821 CTB Converted to XML format This relation is used to identify the engineering telemetry received from CCS that must be used to generate an engineering product dataset for each instrument. C1 Instrument prefix used in dataset rootnames. For example, N for NICMOS or O for STIS. I4 A small positive value used only in FGS files. I4 A numeric code indicating the processing to be performed when the telemetry value has been detected. I4 The extension sequence number, starting with one, for the order of extensions in the product FITS file. C8 The eight character telemetry mnemonic used by CCS. Only uppercase letters or numbers allowed. May be less than eight characters in length. C8 The units of the converted engineering telemetry. C30 A short description of the telemetry item as defined in the HST Project database. ENG_PRODUCTS_TYPE Engineering Products Definition Relation OPUS unique clustered nonclustered