... I add the results from the script (for USB3, see viewtopic.php?p=18033#p18033) by Jean-Francois, all settings like in the above post:
SP 14 297, EP 1 510 036, exp. shown in GPS status window 19.9432 ms; seems to run o.k.
Christian
Search found 108 matches
- Tue Dec 08, 2020 4:57 pm
- Forum: QHY Cameras
- Topic: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
- Replies: 130
- Views: 15798
- Tue Dec 08, 2020 2:54 pm
- Forum: QHY Cameras
- Topic: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
- Replies: 130
- Views: 15798
Re: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
Hi, Congratulations Robin on a camera that is now working again. I made an initial test only too. W7-64 i7 64GB, SC pro 3.3.7030 32bit, USB3, QHY174GPS with FW-upgrade, running and stabilised GPS and QHY driver from 2020 Feb 03. I attach a picture with all the information. a) I called one of my pred...
- Sun Nov 29, 2020 2:21 pm
- Forum: QHY Cameras
- Topic: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
- Replies: 130
- Views: 15798
Re: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
Hello,
... this is the 100th reply in the thread
Jean-Francois, I hope to be able to do some tests in the near future.
Cheers, Christian
... this is the 100th reply in the thread

Jean-Francois, I hope to be able to do some tests in the near future.
Cheers, Christian
- Thu Nov 26, 2020 9:12 pm
- Forum: SharpCap Beta Testing Forum
- Topic: SharpCap 4.0 Beta Now Available
- Replies: 130
- Views: 15029
Re: SharpCap 3.3 Beta Now Available
Hi,
A quick test of this latest 3.3.7011.0 32bit pro under W7-64 with framework 4.8: installs and runs (only Test Camera 1 used).
Cheers, Christian
A quick test of this latest 3.3.7011.0 32bit pro under W7-64 with framework 4.8: installs and runs (only Test Camera 1 used).
Cheers, Christian
- Sun Nov 22, 2020 12:07 pm
- Forum: SharpCap Beta Testing Forum
- Topic: Beta version
- Replies: 3
- Views: 256
Re: Beta version
Download from here:
viewtopic.php?f=38&t=3121#p16222
viewtopic.php?f=38&t=3121#p16222
- Sat Nov 21, 2020 12:34 pm
- Forum: QHY Cameras
- Topic: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
- Replies: 130
- Views: 15798
Re: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
Hello, Jean-Francois, the so called Slave Mode (the QHY description is here https://www.qhyccd.com/index.php?m=content&c=index&a=show&catid=30&id=190) sounds interesting - e.g. 1µs (?) precision. There is a new driver, 2020.11.12 https://www.qhyccd.com/index.php?m=content&c=index...
- Thu Nov 19, 2020 2:19 pm
- Forum: QHY Cameras
- Topic: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
- Replies: 130
- Views: 15798
Re: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
Hi, Regarding SWRI/NASA: As far as I know they did not use the Slave Mode. This mode is only known from the Chinese QHY sites - I've never seen any use. The SWRI people, led by Marc Buie, were the first to use the camera for stellar occultations. They work with SharpCap and have made decisive contri...
- Wed Nov 18, 2020 6:11 pm
- Forum: QHY Cameras
- Topic: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
- Replies: 130
- Views: 15798
Re: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
Hello, Because of some occultation events pending this night I cannot answer in detail / make tests. But some points: For me (and I think for most of the users of this cam in the occultation community) the cam is only a tool among a lot of other things. And this tool must work - and it works using t...
- Tue Nov 17, 2020 11:46 pm
- Forum: QHY Cameras
- Topic: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
- Replies: 130
- Views: 15798
Re: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
Hello, Joke aside. I repeated my USB2 tests with USB3, same machine (W7-64 i7 16GB, SC 3.2.6441 pro, FW upgraded cam): USB2 as published above already: Mono 8; 1920x1200; USB trfc 0; bin 1x1; 640ms; immediately locked with default StP 6301, EndP 48004297 Mono 8; 1920x1200; USB trfc 0; bin 1x1; 320ms...
- Tue Nov 17, 2020 4:05 pm
- Forum: QHY Cameras
- Topic: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
- Replies: 130
- Views: 15798
Re: QHY 174 GPS Calibration LED issue // USB Traffic weirdness
It is slowly becoming an independent field of science ...
Christian

Christian