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Re: Check your GPS / AIS devices. Some of them failed on Jan 2, 2022 due to the "GPS Rollover" bug
Il 13/01/2022 15:18, CW Bill Rouse ha
scritto:
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Re: Check your GPS / AIS devices. Some of them failed on Jan 2, 2022 due to the "GPS Rollover" bug
Alan, I experienced the "Frist Rollover" with Y2k and the Furuno GP-80 in a SM. The reboot solved everything except the date and the date was not used with any of my connected devices which included AIS "B." At the time I was using OpenCPN for chart plotting and it was not affected. Bill On Wed, Jan 12, 2022 at 7:26 PM Alan Leslie <s.v.elyse@...> wrote: Hi Peter, |
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Re: Check your GPS / AIS devices. Some of them failed on Jan 2, 2022 due to the "GPS Rollover" bug
Scott SV Tengah
Every boat is setup differently, but our GP-150 feeds our VHF and SSB (when we had it connected). I presume if you send a DSC distress call, there is a timestamp on it. I know for a fact that my connected iCOM vhf displays the incorrect date.
For the AIS, it simply stops transmitting when it gets an invalid timestamp, as mentioned before. Cannot coldstart the FA-50 to fix it.
I would believe that since GPS is a source of very-very-very precise time, most devices that receive GPS (either directly or through NMEA sentences) would use GPS time information to set the device time versus have a secondary clock that is subject to drift.
I know that with the Garmin devices that have the rollover issue, the problem is that gps signal gets weak and then can show incorrect position data. Seems this rollover bug creates unpredictable issues. Best solution is to google your devices and see if they have any issues with the rollover bug, Furuno or not.
From: "main@AmelYachtOwners.groups.io" <main@AmelYachtOwners.groups.io> on behalf of Alan Leslie <s.v.elyse@...>
Hi Peter, -- Scott 2007 A54 #69 SV Tengah http://www.svtengah.com |
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Re: Check your GPS / AIS devices. Some of them failed on Jan 2, 2022 due to the "GPS Rollover" bug
Hi Peter,
The GP-39 is available here in Australia from a number of chandlers. Some big differences to GP-90 - it's a lot smaller, so you'll need to reduce the size of the hole, and it has only one NMEA0183 port and one USB port so you'll have to reconfigure how you send the GPS signal to the devices your GP-90 is connected to. I'm curious about this date rollover issue. According to Furuno, a cold start will reset the device and the position information will be correct, but it will display the wrong date. Correct me if I'm wrong anyone, but I don't think the date is actually used by anything my GP-90 GPS is connected to. UTC is contained in some NMEA0183 sentences, RMB for example, but is this calculated in the Furuno, or does it come from the satellites? I don't know the answer to that and I can't get to the boat to see what effect this wrong date has. Cheers Alan Elyse SM437 |
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Re: Mystery part Any ideas?
Christian Sloane
That logo is from goiot that makes hatches portholes etc….I know from having just bought a bunch 🤣. Not sure what the piece is, though.
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Christian
ESCAPADES
SM #350
Currently in HOLLYWOOD, FL
On Jan 12, 2022, at 2:56 PM, Courtney Gorman via groups.io <Itsfun1@...> wrote:
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Re: Mystery part Any ideas?
Maybe something for a seagull water filtration system due to the seagull on the knob
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On Jan 12, 2022, at 5:00 PM, Arlo <svplanb@...> wrote:
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Mystery part Any ideas?
Arlo Bess
Hello all, well after 4 years of owning my Amel Mango I have not figures out what this part goes to. Any ideas? (BTW I already checked and it does not fit on the "Flux Capacitor")
 
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Re: Check your GPS / AIS devices. Some of them failed on Jan 2, 2022 due to the "GPS Rollover" bug
Pierre Blouin
For those interested. Furuno is offering to update FW for free on the FA-50 (probably for other impacted units which have a FW fix available). I know this isn't practical for a lot of folks but I thought of sharing for those folks who live closer. Furuno USA is located in Vancouver, WA. you can drop in or ship your unit to them, they'll update it for free.
Pierre Blouin SV Viva, Portland, OR SM#374 |
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Re: Check your GPS / AIS devices. Some of them failed on Jan 2, 2022 due to the "GPS Rollover" bug
Good day Amel owners,
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Just one owners experience of this roll over GP 90 FURUNO. Amel 54 #035 Carango has a GP90. The local Furuno rep here is Greenham Regis Lymington. They tell me the GP90 is no longer supported and have sold me a GP39 for replacement at UK £290. OK bad but not disastrous. BUT delivery of GP39 promised for DECEMBER 2022!!!! unbelievable.
Peter Forbes Carango Amel 54 035 @ Lymington UK 07836 209730 On 12 Jan 2022, at 15:24, Billy Newport <billy@...> wrote:
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Re: Check your GPS / AIS devices. Some of them failed on Jan 2, 2022 due to the "GPS Rollover" bug
Billy Newport
Just looking at Coder (Amel 55#56).
My SC30 wasn't impacted, the date time from that is still correct. My GP33 is impacted and as a result the VHF radio shows the wrong time but correct GPS. I need a RS232 cable bodged to NMEA184 to do this so can't for now. I updated my FA50. I had my PC attached to ethernet, configured the IP address. Turn off WIFI, make sure your PC is just connected using ethernet. Make sure RADAR is on. Run the nupf batch file then cycle the RADAR switch, this turns off the FA50 and turns it on again. The batch program will then do an update twice. I confirmed it's now transmitting using marine traffic and the silent switch at my nav table still works. Billy |
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Re: Should I Refit a Furuno or choose a B&G plotter?
Right, Arno. That’s what I was looking at. Cheers Joerg
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Re: From 230V to 120V
#alignment
Dear Manspeter:
You are strictly correct about my error calling 50 amp shore power outlets as 60amp outlets in 110 V Marinas. (actually 110-115 v and 220-24 v to be exact) Also, I erroneously wrote that American Marinas run 110v 3 Phase current, when this is only true in a few marinas. What I meant was that in the 110 V world, marinas get their power from the power company in 3 phases and they take two phases a ground and the neutral to each 50amp shore power outlet. . Boats using 110 v 50 amp outlets connect to one of the two live phases and the neutral. Boats needing 220 v power connect both the life and the neutral cables from the boat to the two live (hot) wires to get 220 v . So, in the 110 v world the statement from the marina electrician: ("I cannot find a safe way to make 230volts, without turning your neutral side live". ) Is strictly correct since you no longer have live and neutral cables but two live cables. However, connecting the neutral cable from the boat to the live second phase of the shore power is done on pretty much all 110V marinas in the US without consequences as long as you don't connect the neutral cable to the ground which would create an instant short circuit. ( Connecting the Victron inverter requires that you cut the connection between ground and neutral.
In addition, this 220V 60 Hz AC power can run safely all the equipment (Including the old Dolphin and the new Mastervolt (60 and 100 amp battery chargers that I replaced the for) except the cloth and dishwashing machines and the microwave oven because of the needed 50Hz To avoid the problem of running these appliances in a 60 hz marina, I disconnected them from their outlets and connect them, one at a time to the output of a true sine-wave 2kw 24 v dc to 220 v 50 Hz inverter that came with the boat. When at anchor I connect my newly installed 5kw Victron 50Hz inverter to a third outlet that I installed on the “white box” to select 220 v direct from shore power or 110-transformed to 220v that came with the boat from the factory for the first American owner. There are three main advantages of having an inverter and independent battery chargers over installing an inverter/charger: 1) You can charge your batteries with 60 Hz shore power and run the 3 special appliances with the inverter at 50Hz. 2) you can replace and leave the battery chargers in the engine room using the existing AC wiring and DC cables to the batteries with minimal surgery, and 3) you can install the inverter in a cool place close to the batteries and bring only its output (220V 50Hz) via a single three-wire cable to the engine compartment in order to connect it to the input powering all appliances and outlets of the boat as I described in a recent post. Happy new year
Jose Venegas
Ipanema SM2k 278
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Re: GPS Rollover
bernard lawson
it's apparently a safety bulletin?
On Tue, Jan 11, 2022 at 3:48 PM Kevin Smith <kevin.g7uxw@...> wrote: Found this on the UK Government's website... |
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Re: Check your GPS / AIS devices. Some of them failed on Jan 2, 2022 due to the "GPS Rollover" bug
Happily. I’ll send.
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He took about 15 restarts in both his laptop and the GP150 before the update would go through. And then it did. Like finding the hammer in the drawer on the 15th look. Porter McRoberts S/V IBIS WhatsApp:+1 754 265 2206Www.fouribis.net On Jan 12, 2022, at 6:09 AM, CW Bill Rouse <brouse@...> wrote:
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Re: Check your GPS / AIS devices. Some of them failed on Jan 2, 2022 due to the "GPS Rollover" bug
 On Tue, Jan 11, 2022 at 3:09 AM Scott SV Tengah <Scott.nguyen@...> wrote:
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Re: From 230V to 120V
#alignment
Matt & Michelle
Baomain Universal Rotary Changeover Cam Switch SZW26-63/D303.3D 660V 63A 3 Position 3 Phase with Master Switch Exterior Box LW28-63/4 |
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Re: From 230V to 120V
#alignment
Scott SV Tengah
Great solution that's more elegant than my intended manual rewiring. Can you post a link to the switch you used?
On Tue, Jan 11, 2022 at 9:29 AM Matt & Michelle Day, SM#208 SV Talia <charlesmatthewday@...> wrote: Scott, |
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Re: From 230V to 120V
#alignment
Matt & Michelle
Scott,
Our Quattro, installed last October, functions as you stated with reference to frequency. Our solution is similar, we installed a Skylla-IP65 24/35 120-240V charger with a high capacity switch at the 30A shore power breaker. We can then charge with the Skylla (bypassing the Quattro input), and use the Quattro to invert supplying 50Hz. Matt SM208 SV Talia |
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Re: From 230V to 120V
#alignment
Scott SV Tengah
Absolutely right.
I asked my high level Victron contact if I could have my 2018 vintage Quattro take 240v/60hz shore power and just use it to charge, but NOT pass it through. He said “no”. Maybe the newer Victrons or maybe the Mastervolts can do that?
Not the most elegant solution, but we have not and do not anticipate staying in marinas that much. If we did at some point and want to be really lazy, I’ll probably just rewire so 60hz shore power ONLY goes to our secondary Skylla 80 amp
charger and have that charge all day and then just run everything off the 50hz producing Quattro inverter.
From: "main@AmelYachtOwners.groups.io" <main@AmelYachtOwners.groups.io> on behalf of Dan Carlson <carlsdan61@...>
Another important "watch-out" if you have a Victron Multi-Plus. Even if you have set the inverter to produce 50hz power, if the inverter "sees" the shore power frequency on the 240v input side of the device it will synchronize to that 60hz frequency. So double check if you are on shore power that your inverter circuit is still on the right frequency!
Dan Carlson on sv BeBe, sm # 387
On Thu, Jan 6, 2022, 10:28 PM JB Duler <jbduler@...> wrote:
-- Scott 2007 A54 #69 SV Tengah http://www.svtengah.com |
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Re: Should I Refit a Furuno or choose a B&G plotter?
Hi Joerg,
Here is the software update log for the autopilot Cheers, Arno |
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