GLOBAL NAVIGATION SATELLITE SYSTEMS

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Wide Area Augmentation System (WAAS)

Last post by jimh « Thu Dec 07, 2017 7:43 am
Replies: 1
by jimh » Sat Dec 10, 2016 10:58 am

1 Replies

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Last post by jimh View the latest post
Thu Dec 07, 2017 7:43 am

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Russia Using GPS Jamming In Attack on Ukraine

Last post by jimh « Fri Apr 29, 2022 7:23 pm
Replies: 2
by jimh » Sun Apr 03, 2022 10:29 am

2 Replies

198 Views

Last post by jimh View the latest post
Fri Apr 29, 2022 7:23 pm
GPS III SV-05 Launch

Last post by jimh « Sun Aug 01, 2021 7:48 am
Replies: 5
by jimh » Tue Feb 02, 2021 1:03 pm

5 Replies

8462 Views

Last post by jimh View the latest post
Sun Aug 01, 2021 7:48 am
GPS III SV-04 Launch

Last post by jimh « Tue Feb 02, 2021 12:52 pm
Replies: 7
by jimh » Sun Sep 20, 2020 9:06 am

7 Replies

4466 Views

Last post by jimh View the latest post
Tue Feb 02, 2021 12:52 pm
GPS III SV-03 Launch

Last post by jimh « Mon Nov 09, 2020 12:05 pm
Replies: 6
by jimh » Thu Apr 09, 2020 10:08 am

6 Replies

5503 Views

Last post by jimh View the latest post
Mon Nov 09, 2020 12:05 pm
GARMIN GPS 24xd

Last post by jimh « Mon Oct 19, 2020 9:16 am
Replies: 4
by jimh » Fri Oct 16, 2020 9:30 am

4 Replies

3634 Views

Last post by jimh View the latest post
Mon Oct 19, 2020 9:16 am
U. S. Military Conducting GPS Jamming Test

Last post by jimh « Sat Jan 18, 2020 9:10 am

by jimh » Sat Jan 18, 2020 9:10 am

0 Replies

4281 Views

Last post by jimh View the latest post
Sat Jan 18, 2020 9:10 am
GPS III SV-02 Launch

Last post by jimh « Tue Dec 24, 2019 9:49 am
Replies: 3
by jimh » Sun Jul 07, 2019 11:34 am

3 Replies

21643 Views

Last post by jimh View the latest post
Tue Dec 24, 2019 9:49 am
GPS Designers Honored

Last post by jimh « Fri Dec 06, 2019 1:29 pm
Replies: 1
by jimh » Thu Feb 14, 2019 10:01 am

1 Replies

10399 Views

Last post by jimh View the latest post
Fri Dec 06, 2019 1:29 pm
SARSAT MEO 406-MHz System on GALILEO FOC Satellites

Last post by jimh « Fri Dec 06, 2019 12:34 pm
Replies: 8
Attachment(s) by jimh » Wed Dec 13, 2017 10:03 am

8 Replies

11885 Views

Last post by jimh View the latest post
Fri Dec 06, 2019 12:34 pm
BEIDOU GNSS Constellation

Last post by jimh « Wed Nov 20, 2019 10:19 am

Attachment(s) by jimh » Wed Nov 20, 2019 10:19 am

0 Replies

3904 Views

Last post by jimh View the latest post
Wed Nov 20, 2019 10:19 am
Effect of Boat Speed on GPS Position Accuracy

Last post by jimh « Thu Oct 31, 2019 2:24 pm
Replies: 2
by jimh » Sat Oct 26, 2019 11:57 am

2 Replies

14516 Views

Last post by jimh View the latest post
Thu Oct 31, 2019 2:24 pm
Live Demonstration of SARSAT GALILEO 406-MHz Relay

Last post by jimh « Fri Oct 25, 2019 5:28 pm

by jimh » Fri Oct 25, 2019 5:28 pm

0 Replies

14001 Views

Last post by jimh View the latest post
Fri Oct 25, 2019 5:28 pm
Using GPS Speed Over Ground Data

Last post by jimh « Mon Oct 14, 2019 3:57 pm

by jimh » Mon Oct 14, 2019 3:57 pm

0 Replies

17066 Views

Last post by jimh View the latest post
Mon Oct 14, 2019 3:57 pm
A Fifth WAAS Satellite Coming

Last post by jimh « Thu Aug 08, 2019 9:57 am
Replies: 16
Attachment(s) by jimh » Thu Dec 15, 2016 12:36 pm

16 Replies

23084 Views

Last post by jimh View the latest post
Thu Aug 08, 2019 9:57 am
GPS Week Rollover Is Coming in April 2019

Last post by jimh « Fri Apr 12, 2019 3:07 pm
Replies: 23
Attachment(s) by jimh » Thu Dec 06, 2018 10:16 am

23 Replies

26194 Views

Last post by jimh View the latest post
Fri Apr 12, 2019 3:07 pm
GALILEO Satellites

Last post by jimh « Thu Feb 14, 2019 9:50 am
Replies: 7
Attachment(s) by jimh » Fri Dec 08, 2017 11:58 am

7 Replies

13147 Views

Last post by jimh View the latest post
Thu Feb 14, 2019 9:50 am
GPS III--Who Will Launch The Next Generation GPS?

Last post by jimh « Mon Feb 11, 2019 11:14 am
Replies: 1
by jimh » Wed Feb 10, 2016 10:48 am

1 Replies

9664 Views

Last post by jimh View the latest post
Mon Feb 11, 2019 11:14 am
Using BU-353 GPS Receiver with Newer MacOS

Last post by porthole « Thu Jan 24, 2019 3:22 pm
Replies: 5
Attachment(s) by jimh » Tue Dec 25, 2018 12:21 pm

5 Replies

12865 Views

Last post by porthole View the latest post
Thu Jan 24, 2019 3:22 pm
Speed of a GPS Satellite

Last post by porthole « Wed Jan 23, 2019 6:29 pm
Replies: 2
by jimh » Tue Jan 15, 2019 8:10 am

2 Replies

9248 Views

Last post by porthole View the latest post
Wed Jan 23, 2019 6:29 pm
IRIDIUM-8 Launch

Last post by jimh « Fri Jan 11, 2019 6:31 pm
Replies: 2
by jimh » Fri Jan 11, 2019 11:17 am

2 Replies

8992 Views

Last post by jimh View the latest post
Fri Jan 11, 2019 6:31 pm
GPS III Scheduled for Launch December 2018

Last post by jimh « Tue Dec 25, 2018 1:03 am
Replies: 16
Attachment(s) by jimh » Wed Dec 05, 2018 8:51 am

16 Replies

16297 Views

Last post by jimh View the latest post
Tue Dec 25, 2018 1:03 am
SARSAT MEO 406-MHz Systems on GPS Satellites

Last post by jimh « Mon Dec 24, 2018 12:13 pm
Replies: 2
by jimh » Fri Dec 15, 2017 11:11 am

2 Replies

9222 Views

Last post by jimh View the latest post
Mon Dec 24, 2018 12:13 pm
Philips AP Navigator Mk9

Last post by jimh « Tue Dec 18, 2018 7:02 pm
Replies: 3
by floehopper » Sun Dec 16, 2018 1:35 pm

3 Replies

9761 Views

Last post by jimh View the latest post
Tue Dec 18, 2018 7:02 pm
Regarding New GPS Satellite

Last post by jimh « Tue Dec 18, 2018 1:58 pm
Replies: 5
by hauptjm » Tue Dec 18, 2018 10:34 am

5 Replies

10434 Views

Last post by jimh View the latest post
Tue Dec 18, 2018 1:58 pm
Congress Authorizes Terrestrial Back-up for GPS

Last post by jimh « Wed Dec 12, 2018 5:39 pm
Replies: 1
by jimh » Wed Dec 12, 2018 11:15 am

1 Replies

8573 Views

Last post by jimh View the latest post
Wed Dec 12, 2018 5:39 pm
Intelsat plans to add WAAS payload to Galaxy 30

Last post by jimh « Thu Jun 28, 2018 9:28 am
Replies: 5
by kfetter » Fri Jun 15, 2018 6:10 pm

5 Replies

10625 Views

Last post by jimh View the latest post
Thu Jun 28, 2018 9:28 am
A Fourth WAAS Satellite Coming

Last post by kfetter « Thu Apr 05, 2018 11:07 am
Replies: 19
Attachment(s) by jimh » Fri Dec 09, 2016 2:55 pm

19 Replies

23714 Views

Last post by kfetter View the latest post
Thu Apr 05, 2018 11:07 am
Nationwide Differential GPS and Federal Radio Plan 2017

Last post by jimh « Tue Apr 03, 2018 7:28 am
Replies: 1
Attachment(s) by jimh » Mon Dec 04, 2017 12:24 pm

1 Replies

9195 Views

Last post by jimh View the latest post
Tue Apr 03, 2018 7:28 am
GPS Satellites in View at High Latitude

Last post by jimh « Tue Dec 26, 2017 10:12 am
Replies: 2
Attachment(s) by jimh » Tue Dec 05, 2017 4:14 pm

2 Replies

10197 Views

Last post by jimh View the latest post
Tue Dec 26, 2017 10:12 am
Nadir Angle and Elevation Angle

Last post by jimh « Sun Dec 24, 2017 6:25 am
Replies: 2
Attachment(s) by jimh » Mon Dec 18, 2017 11:20 am

2 Replies

11104 Views

Last post by jimh View the latest post
Sun Dec 24, 2017 6:25 am
Black Sea Spoofing Incident

Last post by jimh « Wed Nov 15, 2017 11:19 am
Replies: 2
by Dutchman » Fri Oct 06, 2017 11:18 am

2 Replies

9927 Views

Last post by jimh View the latest post
Wed Nov 15, 2017 11:19 am
Accuracy of GPS Speed Below 3-MPH

Last post by jimp « Fri Aug 25, 2017 11:17 am
Replies: 3
Attachment(s) by PatSea » Thu Aug 24, 2017 8:55 am

3 Replies

10642 Views

Last post by jimp View the latest post
Fri Aug 25, 2017 11:17 am
GLONASS Satellites In View

Last post by jimh « Thu May 11, 2017 1:54 pm

Attachment(s) by jimh » Thu May 11, 2017 1:54 pm

0 Replies

10029 Views

Last post by jimh View the latest post
Thu May 11, 2017 1:54 pm
GALILEO Activates Search and Rescue System

Last post by jimh « Wed May 03, 2017 8:51 am
Replies: 1
by jimh » Tue May 02, 2017 10:29 am

1 Replies

9253 Views

Last post by jimh View the latest post
Wed May 03, 2017 8:51 am
Using a GNSS Receiver with Foreign Signals

Last post by Jefecinco « Tue Feb 28, 2017 7:00 pm
Replies: 1
by jimh » Tue Feb 28, 2017 10:28 am

1 Replies

8933 Views

Last post by Jefecinco View the latest post
Tue Feb 28, 2017 7:00 pm
Influence of GNSS Receiver Update Rate

Last post by jimh « Mon Dec 26, 2016 11:08 am

by jimh » Mon Dec 26, 2016 11:08 am

0 Replies

9312 Views

Last post by jimh View the latest post
Mon Dec 26, 2016 11:08 am
Satellite Identification Numbers

Last post by jimh « Thu Dec 22, 2016 11:30 am
Replies: 2
Attachment(s) by jimh » Mon Dec 12, 2016 7:56 am

2 Replies

13162 Views

Last post by jimh View the latest post
Thu Dec 22, 2016 11:30 am
GALILEO GNSS Now Available

Last post by jimh « Mon Dec 19, 2016 2:24 pm

by jimh » Mon Dec 19, 2016 2:24 pm

0 Replies

9223 Views

Last post by jimh View the latest post
Mon Dec 19, 2016 2:24 pm
Use of the Term "channels" in GNSS Receivers

Last post by jimh « Fri Oct 21, 2016 2:04 pm
Replies: 2
by jimh » Fri Oct 21, 2016 1:40 pm

2 Replies

5426 Views

Last post by jimh View the latest post
Fri Oct 21, 2016 2:04 pm
Oldest GPS Satellite To Be Retired

Last post by jimh « Thu Mar 17, 2016 1:49 pm
Replies: 4
by jimh » Tue Jan 26, 2016 5:33 pm

4 Replies

11475 Views

Last post by jimh View the latest post
Thu Mar 17, 2016 1:49 pm
SpaceX SES-9 Falcon 9 Launch

Last post by jimh « Sat Mar 05, 2016 7:16 pm
Replies: 2
by jimh » Mon Feb 29, 2016 11:59 am

2 Replies

10017 Views

Last post by jimh View the latest post
Sat Mar 05, 2016 7:16 pm
Comparison of Signal Levels from GPS and WAAS

Last post by jimh « Fri Feb 19, 2016 10:28 am
Replies: 2
by jimh » Sat Feb 06, 2016 10:57 pm

2 Replies

10205 Views

Last post by jimh View the latest post
Fri Feb 19, 2016 10:28 am
GPS Satellite Launch Coming October 30, 2015

Last post by jimh « Tue Nov 03, 2015 1:40 pm
Replies: 4
by jimh » Thu Oct 15, 2015 2:02 pm

4 Replies

13998 Views

Last post by jimh View the latest post
Tue Nov 03, 2015 1:40 pm

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