GPS Rollover is HERE – 2024/25 Prepare for Impact

With the GPS Rollover, systems relying on date and time from satellites may experience malfunctions. Ensure your equipment is updated and compliant to avoid disruptions.

September 8, 2024 GPS ROLLOVER impacts the following JRC devices*:

• JRC JUE-500  (Inmarsat Fleet Broadband FB500)
• JRC JLR-7500 (GPS Navigator)
• JRC JLR-7600 (GPS Navigator)
• JRC JLR-4331W (GPS Receiver)
• JRC JLR-4340 (GPS Receiver)
• JRC JLR-20 (GPS Compass)
• JRC JLR-30 (GPS Compass)

August 3, 2025 IS JUST AROUND THE CORNER – GPS Rollover affecting JRC devices*:

• JRC JHS-182 (AIS)
• JRC NTE-182 (AIS Transponder)
• JRC NTE-183 (AIS)
• JRC NCM-983 (AIS)
• JRC JLR-7800 (GPS Navigator)
• JRC JLR-7900 (GPS Navigator)
• JRC JLR-4341 (GPS Receiver)
• JRC JLR-21 (GPS Compass)
• JRC JLR-31 (GPS Compass)

Plan ahead to prevent operational issues. For your convenience, a full list of impacted devices is attached in table form.

Manufacturer	Model Name	Rollover Date	Affected Serial Numbers/ Remarks	Retrofit	Software Upgrade
JRC	JUE-75A/ JUE-75C	2019/08	JUE-75 with optional GPS Kit (6EZSC00031) Consider connecting to the external GPS on the vessel or replacing it to JUE-87.	√
JRC	JHS-180 (NTE-180)	2019/08	BB00001 thru BB04206	√
JRC	JLR-7700Mk2	2019/08	KD76578 to KE 50478 Initial setting to the correct date and time is required to return to normal operation.
JRC	JLR-4330	2019/08	KD75378 to KE 54238 Initial setting to the correct date and time is required to return to normal operation.
JRC	JLR-4330W	2019/08	KE00001 to KE43080 Initial setting to the correct date and time is required to return to normal operation.
JRC	JLR-4331	2019/08	KD76578 to KE 50478 Initial setting to the correct date and time is required to return to normal operation.
JRC	JLR-4331W	2019/08	KE00601 to KE 51718 Initial setting to the correct date and time is required to return to normal operation.
JRC	JLR-10	2019/08	KD88817 to KE36189 Initial setting to the correct date and time is required to return to normal operation.
JRC	JLR-10T	2019/08	KE30264 to KE54238 Initial setting to the correct date and time is required to return to normal operation.
JRC	JHS-182	2019/08	JHS-182 Serial Number until BB51400 NTE-182 Serial Number: BB34626 thru BB71400 GPS7 (Ver1.02)	√	√

Manufacturer	Model Name	Rollover Date	Affected Serial Numbers/ Remarks	Retrofit	Software Upgrade
JRC	JUE-410F	2019/08	ADE: from GW30001 to GW30066 Fleet F77 service will be stopped at the end of 2020
JRC	JLR-7700Mk2	2022/05	KE50479 receiver and later Initial setting to the correct date and time is required to return to normal operation.
JRC	JLR-4330	2022/05	KE54239 and later Initial setting to the correct date and time is required to return to normal operation.
JRC	JLR-4331	2022/05	KE50479 and laterInitial setting to the correct date and time is required to return to normal operation.
JRC	JUE-410F	2022/05	ADE: GW30067 and after Fleet F77 service will be stopped at the end of 2020
JRC	JUE-85/ 95SA/ 95VM/ 95LT	2022/05	Old EME (NAF-741/742 series).		√
JRC	JUE-250	2022/05	For JUE-250 BDEs except for below, “JUE-250 BDE serial numbers”   GV91285-GV91296, GV91303, GV91308-GV91333, GV91336, GV91344, GV91347, GV91349, GV91350, GV91353-GV91357		√
JRC	JLR-4331W	2024/09	KE51719 and later Initial setting to the correct date and time is required to return to normal operation.
JRC	JLR-4340	2024/09	All Serial No. Measures to be announced in the later time.
JRC	JLR-7600	2024/09	All Serial No. Measures to be announced in the later time.

Manufacturer	Model Name	Rollover Date	Affected Serial Numbers/ Remarks	Retrofit	Software Upgrade
JRC	JLR-7500	2024/09	All Serial No. Measures to be announced in the later time.
JRC	JUE-500	2024/09	For all JUE-500 BDEs except for below, “JUE-500 BDE serial numbers”.   GV21678-GV21679, GV18848, GV21259, GV21673, GV21676, GV91160-GV91183, GV91185-GV91189, GV91195, GV91197-GV91198, GV91200, GV91202-GV91208, GV91211-GV91213, GV91215, GV91217-GV91218, GV91220-GV91232, GV91236, GV91238, GV91242, GV91244-GV91281, GV91284		√
JRC	JHS-182	2025/08	JHS-182 Serial Number from BB51401 NTE-182 Serial Number: BB71401 thru BB79998 GPS7 (Ver1.04)	√	√
JRC	JLR-21/JLR-31	2025/08	All Serial No. Measures to be announced in the later time.
JRC	JLR-20/JLR-30	2025/08	All Serial No. Measures to be announced in the later time.
JRC	JLR-4341	2025/08	All Serial No. Measures to be announced in the later time.
JRC	JLR-7800	2025/08	All Serial No. Measures to be announced in the later time.
JRC	JLR-7600	2025/08	All Serial No. Measures to be announced in the later time.

Manufacturer	Model Name	Rollover Date	Affected Serial Numbers/ Remarks	Retrofit	Software Upgrade
JRC	JUE-501	2028/07	JUE-501 BDE : GV51700 and before		√
JRC	JUE-251	2028/07	JUE-251 BDE : GV51823 and before		√
JRC	JUE-85 / 87 / 95SA / 95VM / 95LT	2032/02	JUE-87 EME serial numbers: GR52441 and after (Repair serial numbers: GR92484 and after) JUE-85 EME serial numbers: (Repair serial Numbers: GR92409 and after) JUE-95SA EME serial numbers: GR49742 and after (Repair serial numbers: GR92494 and after) JUE-95VM EME serial numbers: GR49937 and after (Repair serial numbers: GR93045 and after), exclude from GR52531 to GR52630 JUE-95LT EME serial numbers: GR49782 and after (Repair serial numbers: GR92097 and after)   Measures to be announced in the later time.
JRC	JUE-60GX	2032/02	All Serial No. Measures to be announced in the later time.
JRC	JLR-4350	2035/10	All Serial No. Measures to be announced in the later time.
JRC	JLR-8600	2035/10	All Serial No. Measures to be announced in the later time.
JRC	JLR-8400	2035/10	All Serial No. Measures to be announced in the later time.
Furuno	FA-100	2020/12		√
Furuno	FELCOM-15	2020/12	3533-9371 and before		√
Furuno	FELCOM-16	2020/12	3534-2756 and before		√

Manufacturer	Model Name	Rollover Date	Affected Serial Numbers/ Remarks	Retrofit	Software Upgrade
Furuno	GP-80	2021/06	All Serial No. *Units having GPS core module GN- 8091 can be upgraded with GPS core module GN-8096D (p/n: 00015095715), postponing the rollover date to 02 January 2022	√
Furuno	GP-90	2021/06	4400-6461 and before *Units having GPS core module GN- 8091 can be upgraded with GPS core module GN-8096D (p/n: 00015095715), postponing the rollover date to 02 January 2022	√
Furuno	GP-3500	2021/06			√
Furuno	GP-3500F	2021/06	3484-0893 and before		√
Furuno	GP-1640	2021/06	3458-0700 and before	√
Furuno	GP-1640F	2021/06	3459-0950 and before	√
Furuno	GP-320B	2021/06	3473-6767 and before	√
Furuno	GP-32	2021/06	4439-1803 and before	√
Furuno	GP-37	2021/06	4441-3005 and before	√
Furuno	GP-1650W	2021/06	3474-3690 and before 3474-3706 to 3473-3733	√
Furuno	GP-1650WD	2021/06	3476-6430 and before	√
Furuno	GP-1650WF	2021/06	3475-0200 and before	√
Furuno	GP-1650WDF	2021/06	3477-0254 and before	√
Furuno	GP-1850W	2021/06	3478-1813 and before	√
Furuno	GP-1850WD	2021/06	3479-0594 and before	√
Furuno	GP-1850WF	2021/06	3480-2745 and before	√

Manufacturer	Model Name	Rollover Date	Affected Serial Numbers/ Remarks	Retrofit	Software Upgrade
Furuno	GP-1850WDF	2021/06	3481-1225 and before	√
Furuno	FA-150	2022/01			√
Furuno	FELCOM-15	2022/01	3533-9371 and after		√
Furuno	FELCOM-16	2022/01	3534-2756 and after		√
Furuno	FELCOM-18	2022/01			√
Furuno	FELCOM-19	2022/01			√
Furuno	GP-150	2022/01			√
Furuno	GP-150 DUAL	2022/01			√
Furuno	GP-80	2022/01		√
Furuno	GP-90	2022/01		√
Furuno	FA-170	2025/08	Countermeasure software will be available soon.
Furuno	GP-170	NEVER	Rollover will never happen with a special processing by software.
TOKYO KEIKI	TRA-2000	2015/08	S/N 2001-2300 (Shipped: Jan 2003 to Feb 2007).		√
TOKYO KEIKI	GR-1000	2017/01		√
TOKYO KEIKI	TRA-1000	2017/04		√
TOKYO KEIKI	TRA-2000	2017/04	S/N 2301-2535 (Shipped: Feb 2007 to Apr 2011).		√
TOKYO KEIKI	GR-2000	2019/01		√
TOKYO KEIKI	GR-3000	2019/01		√
TOKYO KEIKI	GRP-500	2019/01		√

Manufacturer	Model Name	Rollover Date	Affected Serial Numbers/ Remarks	Retrofit	Software Upgrade
TOKYO KEIKI	GRP-1000	2019/01		√
TOKYO KEIKI	TRA-2000	2019/04	TRA-2000 shipped from Sep 2005 to Apr 2011.		√
TOKYO KEIKI	GRP-2000	Type 1: 2014/08 Type 2: 2019/08 Type 3: 2024/09	Type 1: TGA-102 or JLR-4320H Type 2: TGA-103 or JLR-4330H Type 3: TGA-105 or JLR-4340H	√
SAAB	R4	2015/08	R4 transponders with serial numbers below 24000		√
SAAB	–	2019/04	All R5 models and R4 NAV		√