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Forum: General Discussion 07-25-2022, 03:38 PM
Replies: 11
Views: 509
Posted By tpbrady
In Sitka it's across road from harbormaster. Not...

In Sitka it's across road from harbormaster. Not a long walk from the harbor.

Tom
Forum: Voyagers and other Boaters on the Go! 07-21-2022, 02:42 PM
Replies: 119
Views: 6,722
Posted By tpbrady
AkDoug, You must have missed us when we...

AkDoug,

You must have missed us when we pulled into a little cove about 2 miles after going through Canoe Pass next to Sergius Narrows. The dogs wanted a break. Have a safe trip. I'll post a...
Forum: Electrical and Electronics & Navigation 07-18-2022, 01:59 PM
Replies: 381
Views: 25,676
Posted By tpbrady
Seevee, Depending on the distance involved,...

Seevee,

Depending on the distance involved, another potential solution is WiFi to Ethernet adapter that I use to bridge my home Starlink system from the shop outside to my inside mesh network. ...
Forum: Electrical and Electronics & Navigation 07-17-2022, 11:57 AM
Replies: 72
Views: 1,816
Posted By tpbrady
I have really enjoyed reading all the comments. ...

I have really enjoyed reading all the comments. At times I wonder if any of the NMEA 2000 committee took logic in college. There is so much ambiguity in how it is implemented. Raymarine has data...
Forum: Grand Banks 07-12-2022, 12:06 AM
Replies: 25
Views: 1,160
Posted By tpbrady
I gave up on Rainex 7 years ago and started using...

I gave up on Rainex 7 years ago and started using carnuba car wax after cleaning any water spots off the windows with rubbing compound. It lasts most of the summer in SE Ak and rarely have to use...
Forum: Electrical and Electronics & Navigation 07-09-2022, 11:29 AM
Replies: 72
Views: 1,816
Posted By tpbrady
Doesn’t the T have to be terminated if not...

Doesn’t the T have to be terminated if not connected to a device?

Tom
Forum: General Discussion 07-08-2022, 01:38 PM
Replies: 39
Views: 2,038
Posted By tpbrady
Just passed through Rocky Pass with light to...

Just passed through Rocky Pass with light to moderate kelp south of Devil's Elbow and at the south 1/4 of the Summit. Had a pod of orcas pass about 30ft from us between Devil's Elbow and the Summit....
Forum: Electrical and Electronics & Navigation 07-07-2022, 07:35 PM
Replies: 381
Views: 25,676
Posted By tpbrady
The maritime terminal is designed specifcally for...

The maritime terminal is designed specifcally for use in motion so it is probably on some type of stabilized platform in some type of radome. The reason for two terminals is to get the 350 Mbps...
Forum: Electrical and Electronics & Navigation 07-05-2022, 10:15 AM
Replies: 381
Views: 25,676
Posted By tpbrady
Tom, The satellite constellation is...

Tom,

The satellite constellation is perfectly symmetrical between the northern and southern hemispheres. The only wild cards are the availability of gateways and the use of the laser satellite to...
Forum: Electrical and Electronics & Navigation 07-05-2022, 12:40 AM
Replies: 381
Views: 25,676
Posted By tpbrady
Starlink uses anywhere from 10.7-12.7 GHz for...

Starlink uses anywhere from 10.7-12.7 GHz for their downlinks and 14.0-14.5 GHz for uplinks. In the US they favor the 12.2-12.7 GHz for the downlink. The 14-14.5 GHz is the typical Ku band uplink...
Forum: Electrical and Electronics & Navigation 07-04-2022, 05:52 PM
Replies: 381
Views: 25,676
Posted By tpbrady
The terminal meant for use in motion will have to...

The terminal meant for use in motion will have to move to adjust its tilt angle. A flat panel antenna when elevation angles get more than about 50 degrees off of vertical start becoming more...
Forum: Electrical and Electronics & Navigation 06-29-2022, 04:23 PM
Replies: 381
Views: 25,676
Posted By tpbrady
In the case of 12.2-12.7 GHz, I don't think...

In the case of 12.2-12.7 GHz, I don't think warehousing the spectrum is valid argument. The reason mainly is DISH and others have never been able to come up with a commercial reason to develop it. ...
Forum: Electrical and Electronics & Navigation 06-29-2022, 02:09 PM
Replies: 381
Views: 25,676
Posted By tpbrady
Starlink is guilty of gross exaggeration in their...

Starlink is guilty of gross exaggeration in their letter. However, I will not take sides. The spectrum in question is 12.2-12.7 GHz. The primary use of that spectrum is the broadcast satellite...
Forum: Electrical and Electronics & Navigation 06-27-2022, 11:16 AM
Replies: 381
Views: 25,676
Posted By tpbrady
Sababa, I don't think service above 53N is...

Sababa,

I don't think service above 53N is going to be launched for fixed sites until Starlink starts launching satellites into the 70 degree inclination. The reason service stops north of...
Forum: Helmsman/Camano 06-26-2022, 11:51 AM
Replies: 18
Views: 951
Posted By tpbrady
Capran, I opted to tie my Multiplus and...

Capran,

I opted to tie my Multiplus and Smart Shunt to the CERBO-GX with Touch 50 display at the helm. That gives me full remote control of the Multiplus as well as showing the AC and DC loads...
Forum: Helmsman/Camano 06-24-2022, 11:02 PM
Replies: 18
Views: 951
Posted By tpbrady
Dividing by 12 should get you close, so 1.75A....

Dividing by 12 should get you close, so 1.75A. The main concern is some AC device on the circuits powered by the inverter that gets turned on and you don't know it. A 1 watt load at 120VAC is 10A at...
Forum: Power Systems 06-23-2022, 01:04 PM
Replies: 131
Views: 4,065
Posted By tpbrady
Data is everything. After 8 years 14,630SM,...

Data is everything. After 8 years 14,630SM, 1.999GPH, average SOG 7.075MPH. Cummins 6CTA8.3, 420HP, typically run at 1200RPM. Without data look at the manufacturers graphs on HP, Torque, and fuel...
Forum: Electrical and Electronics & Navigation 06-21-2022, 11:47 PM
Replies: 381
Views: 25,676
Posted By tpbrady
Alex, Go to this link: satellitemap.space...

Alex,

Go to this link: satellitemap.space and you will see what is purported to be a live look at Starlink satellites. You can see all the satellites are south of you.

Tom
Forum: Electrical and Electronics & Navigation 06-21-2022, 10:25 PM
Replies: 381
Views: 25,676
Posted By tpbrady
That’s interesting. Without knowing their...

That’s interesting. Without knowing their pointing logic, the highest latitude thei satellites reach in their orbit is 53N and you are there. Since the satellites are at best directly overhead by...
Forum: Electrical and Electronics & Navigation 06-21-2022, 09:13 PM
Replies: 381
Views: 25,676
Posted By tpbrady
Curious, in Ketchikan when the terminal is...

Curious, in Ketchikan when the terminal is operating is it still tilted to the north?

Tom
Forum: General Discussion 06-14-2022, 06:37 PM
Replies: 20
Views: 1,026
Posted By tpbrady
I attached what SiriusXM sent me on North...

I attached what SiriusXM sent me on North American coverage and it seems to pretty much confirm what I am seeing on the ground. I am currently in Hoonah at the north end of Chichagof Island which is...
Forum: General Discussion 06-14-2022, 01:18 PM
Replies: 20
Views: 1,026
Posted By tpbrady
DDW, I had a similar one and the magnetic...

DDW,

I had a similar one and the magnetic mount antenna actually worked better. Without knowing the specs it’s hard to say if it will work better at lower elevation angles. Most RF engineers...
Forum: General Discussion 06-13-2022, 04:22 PM
Replies: 20
Views: 1,026
Posted By tpbrady
I received a call back from SiriusXM Investor...

I received a call back from SiriusXM Investor Relations and got a reasonable explanation of what happened. In January SiriusXM transitioned all service from the 115W orbital slot to XM5. XM5's...
Forum: General Discussion 06-13-2022, 10:41 AM
Replies: 20
Views: 1,026
Posted By tpbrady
The ONYX radio doesn't make any mention of the...

The ONYX radio doesn't make any mention of the signal format. Auto manufacturers generally support both formats from what I can tell, but since the latest satellite XM5 at 115 supports both formats,...
Forum: General Discussion 06-12-2022, 11:44 AM
Replies: 20
Views: 1,026
Posted By tpbrady
SXM8 is in service at 85W and at 115 are XM4 and...

SXM8 is in service at 85W and at 115 are XM4 and XM5. XM4 is in year 16 of a planned 15 year life. XM5 is in year 12. My radio says SiriusXM but I don’t know if that means both formats or is just...
Showing results 1 to 25 of 500

 
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