call:5 VK9NS band:3 20M mode:4 rtty sweatersize:1 M shoesize:2 11 eor qso_date:8 20101022 time_on:4 0111 call:5 ON4UN band:3 40M mode:3 PSK submode:5 PSK63 epc:5 32123. In the header, no field name may appear in more than one Data Specifier. sweatersize:1 M ADI Records A Record is one or more QSO-Data-Specifiers, Data-Specifiers that convey data for a QSO Field, followed by a case-insensitive End-Of-Record tag EOR In the QSO-Data-Specifier call:6:S WN4AZY the field name is call, the data length is 6, the optional data type. Record A Header begins with any character other than and terminates with a case-insensitive End-Of-Header tag: EOH If the first character in an ADI file is, it contains no Header. It might be used to convey information about a users Award Account between an award sponsor and the user. . In early 1996 KK7A promoted the idea of a standard for exchange of ham data, and an internet reflector was set up for discussing such a standard. For arrl Sweepstakes) class String contest class (e.g. C.3 User-defined Fields A user-defined field is specified by a userdef Header field. Deprecation Deprecated fields and enumeration values shall be accepted when importing an adif file, but shall not be emitted when exporting an adif file. A Header may contain arbitrary text of type String, as well as zero or more Header-Data-Specifiers, Data-Specifiers that convey data for a Header Field ; in the Header-Data-Specifier: adif_ver:5.0.4 the field name is adif_ver, the data length is 5, and.0.4 is the data. Ever since software has become a part of amateur radio, there have been as many data formats as there have been ham radio software programmers. Permissible XML Constructs XML namespaces and processing instructions in ADX files are ignored. . Name Data Type Enumeration Description adif_VER String identifies the version of adif used in this file in the format.Y.Z where X is an integer designating the adif epoch Y is an integer between 0 and 9 designating the major version Z is an integer. record /records Sample ADX File?xml version"1.0" encoding"UTF-8"? ShoeSize,5,20 For example, userdef1:3:N EPC In a Record, user-defined fields names can directly appear in QSO-Data-Specifiers,.g.