Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 21: Ambience Listening (AL)
Edition 2003-12-01

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2 - Sub-part 21: Ambience Listening (AL)
Edition 2003-06-01

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 21: Ambience Listening (AL) (ETSI EN 300392-12-21 V1.5.1 (2012-04))
Edition 2012-06-01

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 21: Ambience Listening (AL) (Endorsement of the English version EN 300 392-12-21 V1.5.1 (2012-04) as German standard)
Edition 2014-09

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 21: Ambience Listening (AL) (Endorsement of the English version EN 300392-10-21 V1.2.1 (2003-09) as German standard)
Edition 2004-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 21: Ambience Listening (AL) (Endorsement of the English version EN 300392-11-21 V 1.1.1 (2003-04) as German standard)
Edition 2003-11

Continuously organic coated (coil coated) steel flat products - Technical delivery conditions; German version EN 10169:2022
Edition 2022-06

Textiles - Physiological effects - Measurement of liquid sweat transport and buffering; German version EN 17534:2022
Edition 2023-01

Clothing - Physiological effects - Measurement of water vapour resistance by means of a sweating manikin; German version EN 17528:2022
Edition 2022-12

Radio Equipment and Systems (RES) - Trans-European Trunked Radio (TETRA); Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Part 10-15: Transfer of control; English version ETS 300392-10-15:1996
Edition 1997-09