Satellite Earth Stations and Systems (SES) - Satellite Digital Radio (SDR) Systems - Part 1: Physical Layer of Radio Interface - Sub-part 3: Inner Physical Layer Multi Carrier Modulation (Endorsement of the English version EN 302550-1-3 V1.1.1 (2010-02) as German standard)
Edition 2010-08

Satellite Earth Stations and Systems (SES) - Satellite Digital Radio (SDR) Systems - Part 1: Physical Layer of Radio Interface - Sub-part 2: Inner Physical Layer Single Carrier Modulation (Endorsement of the English version EN 302550-1-2 V1.1.1 (2010-02) as German standard)
Edition 2010-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 6: Call Authorized by Dispatcher (CAD) (Endorsement of the English version EN 300392-10-6 V1.4.1 (2006-08) as German standard)
Edition 2007-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 16: Pre-emptive Priority Call (PPC) (Endorsement of the English version EN 300392-10-16 V1.3.1 (2006-08) as German standard)
Edition 2007-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 16: Pre-emptive Priority Call (PPC) (Endorsement of the English version EN 300392-12-16 V1.2.1 (2004-09) as German standard)
Edition 2005-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2 - Sub-part 16: Pre-emptive Priority Call (PPC) (Endorsement of the English version EN 300392-11-16 V1.2.1 (2004-09) as German standard)
Edition 2005-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 3: Talking Party Identification (TPI) (Endorsement of the English version EN 300392-12-3 V1.3.1 (2006-04) as German standard)
Edition 2006-11

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 6: Call Authorized by Dispatcher (CAD) (Endorsement of the English version EN 300392-12-6 V1.3.1 (2006-02) as German standard)
Edition 2006-11

Terrestrial Trunked Radio (TETRA) - Technical requirements for Direct Mode Operation (DMO) - Part 8: Protocol Implementation Conformance Statement (PICS) proforma specification; Sub-part 3: Gateway Air Interface (AI) (Endorsement of the English version ETS 300396-8-3:1999 as German standard)
Edition 2000-05

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 9: Abstract Test Suite (ATS) for Mobile Station (MS) Gateway (Endorsement of the English version ETS 300394-4-9:1999 as German standard)
Edition 2000-05