GLOBAL NAVIGATION SATELLITE SYSTEMS

New Topic

47 topics • Page 1 of 1

Announcements

Replies

Views

Last post

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

23721 Views

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

Topics

Replies

Views

Last post

GPS III SV-07 Successful Launch: Status now "Operational"

Last post by jimh « Tue Feb 04, 2025 9:26 am

by jimh » Tue Feb 04, 2025 9:26 am

0 Replies

28835 Views

Last post by jimh View the latest post
Tue Feb 04, 2025 9:26 am
Nadir Angle and Elevation Angle

Last post by jimh « Mon Jan 13, 2025 9:29 am
Replies: 4
Attachment(s) by jimh » Mon Dec 18, 2017 11:20 am

4 Replies

36441 Views

Last post by jimh View the latest post
Mon Jan 13, 2025 9:29 am
SARSAT MEO 406-MHz System on GALILEO FOC Satellites

Last post by jimh « Sat Jan 11, 2025 3:19 pm
Replies: 9
Attachment(s) by jimh » Wed Dec 13, 2017 10:03 am

9 Replies

32648 Views

Last post by jimh View the latest post
Sat Jan 11, 2025 3:19 pm
Satellite Identification Numbers

Last post by jimh « Thu Aug 15, 2024 9:05 am
Replies: 3
Attachment(s) by jimh » Mon Dec 12, 2016 7:56 am

3 Replies

32780 Views

Last post by jimh View the latest post
Thu Aug 15, 2024 9:05 am
A Very Merry GPS Christmas

Last post by jimh « Sun Dec 24, 2023 1:29 pm

by jimh » Sun Dec 24, 2023 1:29 pm

0 Replies

29147 Views

Last post by jimh View the latest post
Sun Dec 24, 2023 1:29 pm
WAAS Satellite Changes

Last post by jimh « Fri Dec 22, 2023 11:33 am
Replies: 5
Attachment(s) by jimh » Thu Nov 09, 2023 10:13 am

5 Replies

12920 Views

Last post by jimh View the latest post
Fri Dec 22, 2023 11:33 am
GPS III SV-06 Successful Launch

Last post by jimh « Sun Feb 26, 2023 10:41 am
Replies: 2
by jimh » Wed Jan 18, 2023 10:47 am

2 Replies

22061 Views

Last post by jimh View the latest post
Sun Feb 26, 2023 10:41 am
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

16343 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

25349 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

19487 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

20158 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

17652 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

17339 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

35266 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

23300 Views

Last post by jimh View the latest post
Fri Dec 06, 2019 1:29 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

16671 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

27346 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

26748 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

29910 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

45762 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

59135 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

28315 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

22412 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

30029 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

22849 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

23025 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

38791 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

22770 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

23624 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

24917 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

21438 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

25439 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

57943 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

21970 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

23730 Views

Last post by jimh View the latest post
Tue Dec 26, 2017 10:12 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

23426 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

24327 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

22834 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

21923 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

21583 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

22137 Views

Last post by jimh View the latest post
Mon Dec 26, 2016 11:08 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

21712 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

19271 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

26316 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

23381 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

23879 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

31021 Views

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

New Topic

47 topics • Page 1 of 1

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum