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protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 General . . . . . . . . . . . . . . . . . . . . . . . . .
5.2 SU set generation . . . . . . . . . . . . . . . . .
5.3 SUs transmission according to
Attachment B to Part I .Gui dance material
for the VHF Digital Link (VDL)
1 . Guidance malerial for the VHF digital link
(VDL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 . System descrip~ion. . . . . . . . . . . . . . . . . . . . .
3 . VDL principles . . . . . . . . . . . . . . . . . . . . . . . .
3.1 Communications transfer principles ...
3.2 VDL quality of service for ATN
routing . . . . . . . . . . . . . . . . . . . . . . . . . .
4 . VDL ground station nctwork concept . . . . . .
4.1 Access . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 Institutional issues concerning VDL
ground slarion network operators . . . . .
4.3 VDL ground slation equipment . . . . . .
4.4 Ground station siting . . . . . . . . . . . . . . .
4.5 Ground station frequency
engii~eer~n.g. . . . . . . . . . . . . . . . . . . . .
4.6 Ground station connection to
intermediate systems . . . . . . . . . . . . . . .
5. VDL airb.o rn.e operating concepl . . . . . . . . . .
5.1 Av~onic.s . . . . . . . . . . . . . . . . . . . . . . . .
5.2 VDL avionics certification . . . . . . . . . .
5.3 Registration of aircraft with VDL
network operators . . . . . . . . . . . . . . . . .
Figure for Attachment B . . . . . . . . . . . . . . . . .
precedence . . . . . . . . . . . . . . . . . . . . . .
5.4 P channel protocol . . . . . . . . . . . . . . . .
5.5 R channel protocol . . . . . . . . . . . . . . . .
Link layer T channel and sub-band
C channel protocols . . . . . . . . . . . . . . . . . . . .
6.1 General . . . . . . . . . . . . . . . . . . . . . . . . .
6.2 SU set generation . . . . . . . . . . . . . . . . .
6.3 T channel transmission protocol . . . . .
6.4 T channel reservation protocol . . . . . . .
6.5 Sub-band C channel to-aircraft and
from-aircraft prolocol . . . . . . . . . . . . . .
Salclli~es ubnetwork layer . . . . . . . . . . . . . . .
7.1 General provisions . . . . . . . . . . . . . . . .
7.2 Packet data perromance . . . . . . . . . . .
7.3 Satellite subnetwork dependent protocol
services and operations . . . . . . . . . . . . .
7.4 IS0 8208 DCE protocol operations ...
7.5 Management interface . . . . . . . . . . . . .
Circuit-mode services . . . . . . . . . . . . . . . . . . .
8.1 Circuit-mode voice signalling
protocols . . . . . . . . . . . . . . . . . . . . . . . .
8.2 Interwoding or circuit-mode services
with other voice networks . . . . . . . .
8.3 Implementing satellite voice in the
ATS environment . . . . . . . . . . . . . . .
8.4 Terestrial voicc network
considerations . . . . . . . . . . . . . . . . . .
Attachment A to Part I1 .Gui dance material for
communication systems . . . . . . . . . . . . . . . . . . . . . . .
I . VHF communicalions . . . . . . . . . . . . . . . . .
2 . SELCAL system . . . . . . . . . . . . . . . . . . . . .
FOREWORD
Historical background
Standards and Recommended Practices for Aeronautical Telecommunications
were first adopted by the Council on 30 May
1949 pursuant to the provisions of Article 37 of the
Convention on International Civil Aviation (Chicago 1944)
and designated as Annex 10 to the Convention. They became
effective on 1 March 1950. The Standards and Recommended
Practices were based on recommendations of the Communications
Division at its Third Session in January 1949. - '
Up to and including the Seventh Edition, Annex 10 was
published in one volume containing four Parts together with
associated attachments: Part I - Equipment and Systems, Part
I1 - Radio Frequencies, Part III - Procedures, and Part IV
- Codes and Abbreviations.
By Amendment 42, Part IV was deleted from the Annex;
the codes and abbreviations contained in that Part were
transferred to a new document, Doc 8400.
As a result of the adoption of Amendment 44 on 31 May
1965, the Seventh Edition of Annex 10 was replaced by two
volumes: Volume I (First Edition) containing Part I -
Equipment and Systems, and Part II - Radio Frequencies,
and Volume II (First Edition) containing Communication
Procedures.
As a result of the adoption of Amendment 70 on 20 March
1995, Annex 10 was restructured to include five volumes:
Volume I - Radio Navigation Aids; Volume I1 -
Communication l'rocedures; Volume I11 - Communication
Systems; Volume IV - Surveillance Radar and Collision
Avoidance Systems; and Volume V - Aeronautical Radio
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