From thomas.gannett at tgannett.net  Mon Aug  9 19:23:50 2021
From: thomas.gannett at tgannett.net (CCSDS Rapporteur)
Date: Mon, 09 Aug 2021 15:23:50 -0400
Subject: [Liaisons] CCSDS Review of CCSDS 131.0-P-3.1,
 TM Synchronization and  Channel Coding
Message-ID: <611180c7.1c69fb81.2485b.85bf@mx.google.com>

Control Number: XRP 21-23

The following draft CCSDS Recommended Standard has been placed on 
line and is available for CCSDS-ISO TC 20/SC 13 Liaison review:

     CCSDS 131.0-P-3.1.  TM Synchronization and Channel Coding.
                         Pink Sheets.  Issue 3.1.  August 2021.

DOCUMENT DESCRIPTION:  The Recommended Standard for TM 
Synchronization and Channel Coding contains specifications to be used 
by space missions on synchronous communications links.  The current 
draft update adds support for the Unified Space Data Link Protocol 
and ground-to-space communications links.


The due date for receipt of review comments by the Secretariat is 1 
October 2021.  CCSDS-ISO TC 20/SC 13 Liaisons may submit review 
comments directly to the CCSDS Secretariat.  More information is 
available at the Web site identified below.

The review document, in Portable Document Format (PDF), and 
associated review materials are available for downloading at the 
following location:

     https://public.ccsds.org/review/CCSDS%20131.0-P-3.1/default.aspx


From thomas.gannett at tgannett.net  Mon Aug  9 19:31:38 2021
From: thomas.gannett at tgannett.net (CCSDS Rapporteur)
Date: Mon, 09 Aug 2021 15:31:38 -0400
Subject: [Liaisons] CCSDS Review of CCSDS 131.2-P-1.1,
 Flexible Advanced Coding and Modulation Scheme for High Rate
 Telemetry Applications
Message-ID: <611182c4.1c69fb81.ac27d.d314@mx.google.com>

Control Number: XRP 21-24

The following draft CCSDS Recommended Standard has been placed on 
line and is available for CCSDS-ISO TC 20/SC 13 Liaison review:

     CCSDS 131.2-P-1.1.  Flexible Advanced Coding and Modulation
                         Scheme for High Rate Telemetry Applications.
                         Pink Sheets.  Issue 1.1.  August 2021.

DOCUMENT DESCRIPTION:  This Recommended Standard defines a Serially 
Concatenated Convolutional turbo Coding (SCCC) scheme for telemetry 
applications. The current draft update adds support for the Unified 
Space Data Link Protocol

The due date for receipt of review comments by the Secretariat is 1 
October 2021.  CCSDS-ISO TC 20/SC 13 Liaisons may submit review 
comments directly to the CCSDS Secretariat.  More information is 
available at the Web site identified below.

The review document, in Portable Document Format (PDF), and 
associated review materials are available for downloading at the 
following location:

     https://public.ccsds.org/review/CCSDS%20131.2-P-1.1/default.aspx 


From thomas.gannett at tgannett.net  Mon Aug  9 19:35:54 2021
From: thomas.gannett at tgannett.net (CCSDS Rapporteur)
Date: Mon, 09 Aug 2021 15:35:54 -0400
Subject: [Liaisons] CCSDS Review of CCSDS 414.1-P-2.1,
 Pseudo-Noise (PN) Ranging  Systems
Message-ID: <6111839b.1c69fb81.a38c8.9d49@mx.google.com>

Control Number: XRP 21-25

The following draft CCSDS Recommended Standard has been placed on 
line and is available for CCSDS-ISO TC 20/SC 13 Liaison review:

     CCSDS 414.1-P-2.1.  Pseudo-Noise (PN) Ranging Systems.
                         Pink Sheets.  Issue 2.1.  August 2021.

DOCUMENT DESCRIPTION:  The Pseudo-Noise (PN) Ranging Systems 
Recommended Standard defines both transparent and regenerative PN 
ranging systems. The current draft updates adds a 
ranging-signal-chip-rate parameter value for Ka-Band uplinks.

The due date for receipt of review comments by the Secretariat is 1 
October 2021.  CCSDS-ISO TC 20/SC 13 Liaisons may submit review 
comments directly to the CCSDS Secretariat.  More information is 
available at the Web site identified below.

The review document, in Portable Document Format (PDF), and 
associated review materials are available for downloading at the 
following location:

     https://public.ccsds.org/review/CCSDS%20414.1-P-2.1/default.aspx