Amateurs

IR-45. Amateur radio equipment in the frequency band of 135.7 to 137.8 KHz.Resolution of January 10, 2008, of the Secretary of State for Telecommunications and for the Information Society (BOE 24/01/2008). IR-45 is the only interface that is in force in this Resolution.
IR-46 to IR-54 and IR-56 to IR-67. Technical requirements for regulated interfaces relating to amateur radio equipment.Resolution of June 25, 2015, of the Secretary of State for Telecommunications and for the Information Society (BOE 09/07/2015).
IR-55. Amateur radio equipment in the 50 MHz frequency band. Resolution of May 13, 2013, of the State Secretariat of Telecommunications and for the Information Society (BOE 24/05/2013).
IR-124. Amateur radio equipment in the frequency band of 7100 kHz. Resolution of March 17, 2009, of the Secretary of State for Telecommunications and for the Information Society (BOE 06/04/2009).
IR-226 and IR-227. Amateur radio equipment in the frequency band of 472 kHz and 1810 kHz respectively.Resolution of October 31, 2013, of the Secretary of State for Telecommunications and for the Information Society (BOE 09/11/2013). NOTE: The interface IR-227 is null and void (Resolution 12559/BOE 20/11/2015)
IR-234 to IR239. Technical requirements for regulated interfaces relating to amateur radio equipment.Resolution of November 6, 2015, of the Secretary of State for Telecommunications and for the Information Society, which publishes the technical requirements of the regulated interfaces IR-234 to IR-239, relating to amateur radio equipment.
IR-240 to 257. Radio amateurs by satelliteResolution of 3 November 2015 of the State Secretariat for Telecommunications and for the Information Society, publishing the technical requirements of the regulated interfaces IR-240 to IR-257 relating to amateur satellite radio equipment.