[SOIS-WIR] 2 SFCG recommendations resulting from the last SFCG meeting, to take into account in lunar wireless CCSDS standards

[Kevin K Gifford]

Dear Jean-Luc -

Thank you for the correspondence and information update, this is very much appreciated.

Kevin
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From: SOIS-WIR <sois-wir-bounces at mailman.ccsds.org> on behalf of Issler Jean-Luc via SOIS-WIR <sois-wir at mailman.ccsds.org>
Sent: Thursday, August 21, 2025 06:41
To: sois-wir at mailman.ccsds.org <sois-wir at mailman.ccsds.org>
Subject: [SOIS-WIR] 2 SFCG recommendations resulting from the last SFCG meeting, to take into account in lunar wireless CCSDS standards

[External email - use caution]


Dear Kevin, dear all,



Please find here attached 2 SFCG recommendations resulting from the SFCG meeting last june, in case you would not have it already:



-          REC 32-2R6 (Freqs for lunar Region) which has been updated (this rec is already taken into account by the CCSDS 883 standard).

-          REC 43-1, which is a new recommendation dedicated to the protection of lunar in-situ PNT from lunar surface wireless links.



I suggest that references to SFCG REC 43-1 to be added in the CCSDS 883 standard and in any other future CCSDS standard which would concern lunar wireless surface links.



The provisional SFCG REC 43-1 is already refered in LunaNet Interoperability Specifications V5, and REC 43-1 will likely be refered in LNIS V6. The recommended maximum -121 dBW/m2/MHz PFD limit from lunar wireless links in the 2483.5-2500 MHz band at the input of the PNT receive antenna is unchanged from “prov-43-1” to “43-1”.



Hoping these informations and my suggestion to be usefull.



Have a nice day and a good summer continuation.



Very Best Regards



Jean-Luc
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