[SLS-CC] FW: References to Proximity-1 vs proximity links in 235.1 PN Ranging Directive

[KAZZ, GREG J. (MSFC-HP27)[MOSSI2]]

Per our discussion in the teleconference this AM, attached is the updated PN Ranging text in Annex E of 235.1

Thanks,
Greg

From: Lee, Dennis K (US 4200) <dennis.k.lee at jpl.nasa.gov>
Sent: Tuesday, August 25, 2026 10:27 PM
To: KAZZ, GREG J. (MSFC-HP27)[MOSSI2] <greg.j.kazz at nasa.gov>; sls-rfm at mailman.ccsds.org
Cc: Kazz, Greg (US 312B) via SLS-SLP <sls-slp at mailman.ccsds.org>
Subject: RE: References to Proximity-1 vs proximity links in 235.1 PN Ranging Directive

Hi Greg,

I agree with the changes you proposed in the comments.

Thanks
Dennis

From: KAZZ, GREG J. (MSFC-HP27)[MOSSI2] <greg.j.kazz at nasa.gov>
Sent: Wednesday, August 19, 2026 2:38 PM
To: sls-rfm at mailman.ccsds.org; Lee, Dennis K (US 4200) <dennis.k.lee at jpl.nasa.gov>
Cc: Kazz, Greg (US 312B) via SLS-SLP <sls-slp at mailman.ccsds.org>
Subject: References to Proximity-1 vs proximity links in 235.1 PN Ranging Directive

Hi Dennis and RF&M WG,

SLP WG received a RID from ESA on 235.1 warning us to be mindful of the difference between Prox-1 vs proximity links. SLP WG is going through the document to ensure correct usage of those terms.

I found 6 references to Proximity-1 in the PN Ranging Directive in CCSDS 235.1 and I noted down why I think it should either continue to say "Proximity-1" or be changed to "proximity link".  We would appreciate it if the RF&MOD WG could review the attached file and provide the correct interpretation for the PN Ranging directive.

Thanks much,
Greg K.
SLP WG chair


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