This section of the FEDERAL REGISTER

contains regulatory documents having general

applicability and legal effect, most of which

are keyed to and codified in the Code of

Federal Regulations, which is published under

50 titles pursuant to 44 U.S.C. 1510.

The Code of Federal Regulations is sold by

the Superintendent of Documents.

Rules and Regulations Federal Register

7651 

Vol. 90, No. 13 

Wednesday, January 22, 2025 

FEDERAL COMMUNICATIONS 

COMMISSION 

47 CFR Part 25 

[IB Docket No. 21–456; FCC 24–117; FR ID 

273430] 

Spectrum Sharing Rules for NGSO 

Fixed-Satellite Service Systems; 

Correction 

AGENCY: Federal Communications 

Commission. 

ACTION: Correcting amendments. 

SUMMARY: The Federal Communications 

Commission (Commission) is correcting 

a final rule that appeared in the Federal 

Register on December 13, 2024. The 

final rule clarified the methodology to 

be used in compatibility analyses 

submitted by non-geostationary satellite 

orbit (NGSO) fixed-satellite service 

(FSS) system grantees. 

DATES: Effective January 22, 2025, 

except for the amendment to § 25.261 in 

amendatory instruction 3, which is 

delayed indefinitely. The Commission 

will publish a document in the Federal 

Register announcing the effective date 

of § 25.261 in instruction 3. 

FOR FURTHER INFORMATION CONTACT: Clay 

DeCell, 202–418–0803. 

SUPPLEMENTARY INFORMATION: On 

December 13, 2024, the Commission 

published a final rule amending 

paragraphs (d) and (e) of § 25.261 and 

announcing an effective date of those 

amendments of January 13, 2025. 

However, the amendment to paragraph 

(d) of § 25.261 requires approval of the 

Office of Management and Budget under 

the Paperwork Reduction Act before it 

can become effective, as stated 

elsewhere in the final rule. In addition, 

the amendment to paragraph (e) of 

§ 25.261 adds a cross-reference to 

paragraph (d) of that section, which is 

not yet effective. To correct this 

effective date error, this document 

reverts the text of paragraphs (d) and (e) 

of § 25.261 and adds a delayed 

instruction to re-insert the rule 

amendments adopted in the final rule 

after the Commission announces OMB 

approval and the effective date of the 

amendments to paragraphs (d) and (e) of 

§ 25.261. 

List of Subjects in 47 CFR Part 25 

Satellites. 

Accordingly, 47 CFR part 25 is 

corrected by making the following 

correcting amendments: 

PART 25—SATELLITE 

COMMUNICATIONS 

■ 1. The authority citation for part 25 

continues to read as follows: 

Authority: 47 U.S.C. 154, 301, 302, 303, 

307, 309, 310, 319, 332, 605, and 721, unless 

otherwise noted. 

■ 2. Amend § 25.261 by removing and 

reserving paragraph (d) and revising 

paragraph (e). 

The revision reads as follows: 

§ 25.261 Sharing among NGSO FSS space 

stations. 

* * * * * 

(e) Sunsetting. Ten years after the first 

authorization or grant of market access 

in a processing round, the systems 

approved in that processing round will 

no longer be required to protect earlierrounds systems, and instead will be 

required to share spectrum with earlierround systems under paragraph (c) of 

this section. 

■ 3. Delayed indefinitely, further amend 

§ 25.261 by adding paragraph (d) and 

revising paragraph (e) to read as follows: 

§ 25.261 Sharing among NGSO FSS space 

stations. 

* * * * * 

(d) Protection of earlier-round 

systems. Prior to commencing 

operations, an NGSO FSS licensee or 

market access recipient must either 

certify that it has completed a 

coordination agreement with any 

operational NGSO FSS system licensed 

or granted U.S. market access in an 

earlier processing round, or submit for 

Commission approval a compatibility 

showing which demonstrates by use of 

a degraded throughput methodology 

that it will not cause harmful 

interference to any such system with 

which coordination has not been 

completed. If an earlier-round system 

becomes operational after a later-round 

system has commenced operations, the 

later-round licensee or market access 

recipient must submit a certification of 

coordination or a compatibility showing 

with respect to the earlier-round system 

no later than 60 days after the earlierround system commences operations as 

notified pursuant to § 25.121(b) or 

otherwise. 

(1) Compatibility showings must 

contain the following elements: 

(i) A demonstration that the laterround system will cause no more than 

3 percent time-weighted average 

degraded throughput of the link to the 

earlier-round system, for links with a 

baseline link availability of 99.0 percent 

or higher at a C/N threshold of 0 dB; 

(ii) A demonstration that the laterround system will cause no more than 

0.4 percent absolute change in link 

availability to the earlier-round system 

using a C/N threshold value of 0 dB, for 

links with a baseline link availability of 

99.0 percent link availability or higher; 

and 

(iii) With respect to an earlier-round 

system that has not yet satisfied its 50 

percent deployment milestone pursuant 

to § 25.164(b)(1), the compatibility 

showing may consider only 50 percent 

deployment of the earlier-round system; 

if the 50 percent deployment milestone 

has been satisfied, the showing must 

consider 100 percent deployment of the 

authorized system. 

(2) Compatibility showings will be 

placed on public notice pursuant to 

§ 25.151(a)(13). 

(3) While a compatibility showing 

remains pending before the 

Commission, the submitting NGSO FSS 

licensee or market access recipient may 

commence operations on an 

unprotected, non-interference basis with 

respect to the operations of the system 

that is the subject of the showing. 

(4) A later-round NGSO FSS system 

will be required to conform its 

operations to its compatibility showing 

submitted for the protection of an 

earlier-round system to the extent 

necessary to protect the actual number 

of deployed and operating space 

stations of the earlier-round system. 

(e) Sunsetting. Ten years after the first 

authorization or grant of market access 

in a processing round, the systems 

approved in that processing round will 

no longer be required to protect earlierrounds systems under paragraph (d) of 

this section, and instead will be 

required to share spectrum with earlierVerDate Sep<11>2014 16:51 Jan 21, 2025 Jkt 265001 PO 00000 Frm 00001 Fmt 4700 Sfmt 4700 E:\FR\FM\22JAR1.SGM 22JAR1

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7652 Federal Register / Vol. 90, No. 13 / Wednesday, January 22, 2025 / Rules and Regulations 

round systems under paragraph (c) of 

this section. 

Federal Communications Commission. 

Marlene Dortch, 

Secretary. 

[FR Doc. 2025–01115 Filed 1–21–25; 8:45 am] 

BILLING CODE 6712–01–P 


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