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Search: Posts Made By: gchead
Forum: OpenCPN 15-03-2022, 18:35
Replies: 24
Views: 5,726
Posted By gchead
Re: OpenCPN Magnetic Variation Reversed?

I have written a summary of my experiences interfacing the NASA GPS Repeater with OpenCPN on my Halo Logbook: ...
Forum: Marine Electronics 30-05-2021, 17:09
Replies: 42
Views: 7,198
Posted By gchead
Re: [Bit of a Rant] Is the NMEA Corrupt or Incompetent?

Why use cable at all?

These days each instrument should come with a wifi module (5 USD at any electronics store) so all devices can talk to each other wirelessly using NMEA over IP.

OpenCPN...
Forum: Construction, Maintenance & Refit 14-03-2021, 23:57
Replies: 25
Views: 5,588
Posted By gchead
Re: Rewiring the Mast without Unstepping

Yes I found the Mast Mate ladder essential. The bosun's chair didn't give me enough height and I had to stand on the top steps of the ladder to work on the top of the mast.
I used the bosun's chair...
Forum: Construction, Maintenance & Refit 13-03-2021, 07:08
Replies: 25
Views: 5,588
Posted By gchead
Re: Rewiring the Mast without Unstepping

I did a complete mast rewire recently.
Biggest problem was squeezing the new cables through the hole at the mast base. Also perched at the top of the mast holding the new wind instrument in one...
Forum: Plumbing Systems and Fixtures 07-04-2020, 15:24
Replies: 18
Views: 1,858
Posted By gchead
Re: Manual Pump Tap driving me crazy!

Looks like the same one I just bought for my Whiting 29 here in Wellington NZ.

https://www.burnsco.co.nz/shop/rv/plumbing-pumps-toilets/chrome-hand-pump

Haven't installed it yet as I'm locked...
Forum: OpenCPN 06-05-2019, 23:01
Replies: 7
Views: 2,403
Posted By gchead
Re: Nmea 0183 v4.0

Good to see NMEA 0183 is Still Evolving.

Full presentation: https://www.nmea.org/Assets/may%2009%20rtcm%200183_v400.pdf
Forum: OpenCPN 22-01-2019, 01:20
Replies: 12
Views: 1,993
Posted By gchead
Re: Multiplexer NMEA incompatible with Repeater NMEA

It only works fully when Route is Activated.

Yes, you need to install patched OpenCPn 4.99.0 until the new version is released.
Forum: OpenCPN 21-01-2019, 10:28
Replies: 12
Views: 1,993
Posted By gchead
Re: Multiplexer NMEA incompatible with Repeater NMEA

Hi Laurent

I am successfully using the NASA GPS Repeater with OpenCPN.

It took a while to figure out but it works perfectly for me now.

See this thread for more info:...
Forum: OpenCPN 04-12-2018, 21:40
Replies: 3,473
Views: 751,835
Posted By gchead
Re: Feature Requests

Will the patch to add NMEA version 2.3 FAA mode fields to RMB and RMC sentences sent to AP be merged into the next version of OpenCPN?

See:...
Forum: OpenCPN 07-11-2018, 22:30
Replies: 24
Views: 5,726
Posted By gchead
Re: OpenCPN Magnetic Variation Reversed?

Did this patch make it into the new OpenCPN Version 4.8.8 released today?

(No mention of it in the release notes)
Forum: OpenCPN 01-10-2018, 22:51
Replies: 24
Views: 5,726
Posted By gchead
Re: OpenCPN Magnetic Variation Reversed?

I have now installed OpenCPN V. 4.99.0 and am very happy to report it works perfectly and has resolved the problem with the NASA Clipper GPS Repeater needing NMEA Version 2.3 and above to display...
Forum: OpenCPN 26-09-2018, 22:48
Replies: 24
Views: 5,726
Posted By gchead
Re: OpenCPN Magnetic Variation Reversed?

Good news! I have now been able to identify the cause of this issue and create a temporary work-around.

NMEA version 2 and onwards states that the RMC sentence must include an extra field Nbr 12 ...
Forum: Seamanship & Boat Handling 28-08-2018, 16:20
Replies: 37
Views: 9,747
Posted By gchead
Re: Do you use a Captain’s Log??

I use a blog site with 4 sections:

Racing
Cruising
Maintenance
Boat Specs

Halo Log Book (https://halo-log-book.g2consulting.co.nz/)
halo-log-book.g2consulting.co.nz...
Forum: OpenCPN 13-07-2018, 01:31
Replies: 412
Views: 79,175
Posted By gchead
Re: New Plugin NmeaConvertor

Great to hear. Thanks Dirk.
I couldn't figure out how to get the update from git so I guess I'll have to wait for the release. Looking forward to it!
Forum: OpenCPN 24-06-2018, 13:36
Replies: 412
Views: 79,175
Posted By gchead
Re: New Plugin NmeaConvertor

Hi Dirk,

I tried using "É" or "e" or "È" or "Ẽ" but no luck. I guess I'll just have to wait for the fix.

I fully appreciate you do this on a voluntary basis and I don't want to sound...
Forum: OpenCPN 21-06-2018, 02:26
Replies: 24
Views: 5,726
Posted By gchead
Re: OpenCPN Magnetic Variation Reversed?

Thanks Dirk - I'm trying out the 'nmea-converter' now. Quite a handy plugin!

Also I'm seeing "-1.#IO" in the SOG field of ECRMC sentence generated by OpenCPN. Any idea what this means?

eg.
...
Forum: OpenCPN 21-06-2018, 00:59
Replies: 412
Views: 79,175
Posted By gchead
Re: New Plugin NmeaConvertor

Yes I have the same problem. Last character in the RMC string. Image attached.

(Running OpenCPN 4.8.4 on Windows 10)
Forum: OpenCPN 19-06-2018, 13:46
Replies: 24
Views: 5,726
Posted By gchead
Re: OpenCPN Magnetic Variation Reversed?

I should also mention that according to the Clipper GPS Repeater manual:

"Regardless of the settings on the GPS Receiver, the repeater always
displays distances in Nautical miles, speeds in...
Forum: OpenCPN 19-06-2018, 13:15
Replies: 24
Views: 5,726
Posted By gchead
Re: OpenCPN Magnetic Variation Reversed?

Yes I agree, OCPN is sending the correct True bearing, in this case 0.161:

$ECRMB,A,0.000,L,001,Test,4117.202,S,17447.112,E,0.107,0.161,-1.#IO,V*34

I'm thinking the problem may be the manner in...
Forum: OpenCPN 19-06-2018, 11:51
Replies: 24
Views: 5,726
Posted By gchead
Re: OpenCPN Magnetic Variation Reversed?

PS. I'm running OpenCPN version 4.8.4 on Windows 10 laptop.
Forum: OpenCPN 19-06-2018, 03:22
Replies: 24
Views: 5,726
Posted By gchead
OpenCPN Magnetic Variation Reversed?

I have a strange problem that I'm hoping the OpenCPN gurus out there can throw some light on:

I am using OpenCPN to send NMEA course bearing to a NASA Clipper GPS Repeater via a NMEA2WIFI...
Forum: Electrical: Batteries, Generators & Solar 11-11-2015, 20:07
Replies: 136
Views: 17,330
Posted By gchead
Re: New Electrical System Questions

I too have been doing a partial re-wire of my 31' yacht, Halo (built in 1986) and am finding this forum very useful.

I have attached my wiring diagram so far, and would be interested in hearing...
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