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ClearNav II / Re: Task speed
« Last post by Jared on June 12, 2022, 07:29:18 PM »
Are you sure you are comparing the same units?  If your clearnav is set to knots it will output task speed in knots, not mph.  Thats how I have mine setup.  I do the conversion from knots to mph and its usually right on.
CNv Discussion / Re: CNvS stopped Logging Flights
« Last post by Evan Ludeman / T8 on June 11, 2022, 12:39:09 PM »
Suggest you call Williams Soaring.  This sounds like a hardware problem. 
CNv Discussion / CNvS stopped Logging Flights
« Last post by carbonprop on June 09, 2022, 08:44:35 AM »
My CNvS just stopped logging flights. It is running 3.6.4512 on the ADC and display. There are many flights stored in it but I could not find any info on the Forum for deleting them or reseting the device. I tried to reinstall the software but it did not seem to want to update from the latest version to the latest version. Thank you for your valuable time. Steve Hill
ClearNav II / Re: Task speed
« Last post by Evan Ludeman / T8 on June 02, 2022, 06:02:07 PM »
Check the task params carefully, especially the start.  My guess is that the "tasks" being scored are not actually the same.
ClearNav Hardware Discussion / Re: GPS antenna splitter
« Last post by Jim Staniforth on May 27, 2022, 03:57:46 PM »
Installed dividers in several gliders.
If you have a GPS antenna that can take higher voltage and are not connecting a Trig TN72 to the divider, you do not need any DC blockers.
If connecting a Trig then use a DC block on it. The TN72 will put noise on the line if not DC blocked. Don't think I tried with the TN70 install.
Using DC blocks, losing the device which powers the antenna will take down GPS to other devices on that divider. Power up the device which provides phantom power to the antenna before the others, as they won't get position until that device is on.
I prefer to keep two flight computers on separate antennas in case of a failure of one antenna. For example, FLARM and CN2 on one antenna and divider, Trig and CNv on another. Or three devices on one antenna and either CN2 or CNv on its own (my current setup).
The best dividers I've used are made by MECA. They have 2-way, 3-way and 4-way dividers. This part number is their 0.8 - 2.2GHz 3-way with SMA female ports:
I buy them through Talley in Los Angeles, MECA do not sell direct but will drop ship.
Craggy can provide custom cables. Talley can too.
DC blocks are available from Mouser or DigiiKey.
Unfortunately the 12v GPS antenna I've used is no longer manufactured. Linx ANT-GPS-SH-SMA. Looked like someone bought the remaining stock and was selling on E-Bay. I tried to buy some, but the seller disappeared. The new part number with a 2 or B in it is not 12v.
ClearNav II / Task speed
« Last post by Larsen on May 19, 2022, 04:37:17 AM »
Finally got in another task to check this.
My CNII reads 5 mph slower than WinScore and 4 mph slower than SeeYou. And as I said, I know another person with this issue.


ClearNav Hardware Discussion / Re: GPS antenna splitter
« Last post by carbonprop on May 10, 2022, 07:34:10 AM »
We installed one from Craggy in Eric Bick’s Carat which seems to be working well.
ClearNav Hardware Discussion / GPS antenna splitter
« Last post by MarianneGuerin on May 08, 2022, 08:21:40 AM »
I want to purchase a splitter so I have a single GPS antenna for CN II and CNv - what do I need to consider?
CNv Discussion / Pre-empt climb CNv57r
« Last post by dtarmichael on May 02, 2022, 08:00:45 PM »
I took a few short test flights today with the new color display and have a question for the hive.  I am not seeing the preempt climb window pop up when I encounter lift.  It's selected on my profile. I don't know what I'm doing with the new screens yet and wonder if I'm not doing something right. 

ClearNav II / Re: CNII - CNv MacCready Synch Decoupling
« Last post by JackCzaban2022 on April 14, 2022, 06:39:09 AM »
Super...thank you Evan & carbonprop...much appreciated!
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