Канал: David Burch

Viewing South Atlantic Graphic Analysis Map in qtVlm

Viewing South Atlantic Graphic Analysis Map in qtVlm

Satellite Tracking in qtVlm

Satellite Tracking in qtVlm

ASCAT graphic data in qtVlm

ASCAT graphic data in qtVlm

Graphic Overlays in qtVlm

Graphic Overlays in qtVlm

USCG License Exams Come of Age — Tide Wise

USCG License Exams Come of Age — Tide Wise

Nautical Chart Notes on Paper, ENC, and NCC.

Nautical Chart Notes on Paper, ENC, and NCC.

How to make a NOAA Custom Chart (NCC) For Classroom Use

How to make a NOAA Custom Chart (NCC) For Classroom Use

Downloading Historic Model Forecasts in Grib Format

Downloading Historic Model Forecasts in Grib Format

Viewing OFS Tidal Current Forecasts in Expedition

Viewing OFS Tidal Current Forecasts in Expedition

How to Georeference a Discontinued NOAA Paper Chart

How to Georeference a Discontinued NOAA Paper Chart

How to Transfer LuckGrib Files to Other Devices on the Boat: Part 2

How to Transfer LuckGrib Files to Other Devices on the Boat: Part 2

How to Transfer LuckGrib Files to Other Devices on the Boat: Part 1

How to Transfer LuckGrib Files to Other Devices on the Boat: Part 1

How to get a copy of discontinued nautical charts

How to get a copy of discontinued nautical charts

The US Nautical Chart Revolution, Part 1: State of NOAA Charts, last half of 2024

The US Nautical Chart Revolution, Part 1: State of NOAA Charts, last half of 2024

Radar plotting: Find Heading for Desired CPA at Specific Range

Radar plotting: Find Heading for Desired CPA at Specific Range

View Tidal Current Patterns Evolve in OpenCPN

View Tidal Current Patterns Evolve in OpenCPN

Loading NOAA ENC into qtVlm

Loading NOAA ENC into qtVlm

Manual Loading NOAA ENC into Time Zero v5.0 Pro

Manual Loading NOAA ENC into Time Zero v5.0 Pro

Auto Loading NOAA ENC into Time Zero v5.0 Pro

Auto Loading NOAA ENC into Time Zero v5.0 Pro

Install USB Baro App on a Mac

Install USB Baro App on a Mac

Install USB Baro App on a PC

Install USB Baro App on a PC

Check Celestial Navigation Sight Reductions using Celestial Tools App

Check Celestial Navigation Sight Reductions using Celestial Tools App

Running fix with current: manual plot using triangles

Running fix with current: manual plot using triangles

2102-D Star Finder for best sights on USCG Exams

2102-D Star Finder for best sights on USCG Exams

Star ID with the 2102-D Star Finder

Star ID with the 2102-D Star Finder

USB Baro in Expedition

USB Baro in Expedition

USB Baro in OpenCPN

USB Baro in OpenCPN

USB Baro in qtVlm

USB Baro in qtVlm

Starpath Free USB Baro App for Computers

Starpath Free USB Baro App for Computers

Solving USCG Great Circle Nav Problems with qtVlm

Solving USCG Great Circle Nav Problems with qtVlm

qtVlm Overview for Brand New Users — Record of a Live Zoom Class

Why a quality atmospheric pressure app needs to collect location data

Why a quality atmospheric pressure app needs to collect location data

Sight Reduction of a Star Using Pub 249 v3

Sight Reduction of a Star Using Pub 249 v3

Optimum Sailboat Routing in qtVlm: Step by Step

Optimum Sailboat Routing in qtVlm: Step by Step

Find DR position from logbook entries Part 1

Find DR position from logbook entries Part 1

Great Circle vs Rhumb Line Routes

Great Circle vs Rhumb Line Routes

New, Super-nice ECMWF Graphic Weather Maps Online

New, Super-nice ECMWF Graphic Weather Maps Online

How to view embedded images in Mac mail that do not show up

How to view embedded images in Mac mail that do not show up

Starpath Weather Trainer: Graphics and Ask-Me

Starpath Weather Trainer: Graphics and Ask-Me

San Francisco Bay OFS current forcasts sample

San Francisco Bay OFS current forcasts sample

Operational Forecast System (OFS) Model for Tidal Currents

Operational Forecast System (OFS) Model for Tidal Currents

Viewing ASCAT Winds on Tablets and Phones

Viewing ASCAT Winds on Tablets and Phones

Viewing ASCAT Winds in OpenCPN

Viewing ASCAT Winds in OpenCPN

Viewing ASCAT winds in Google Earth

Viewing ASCAT winds in Google Earth

Weather Maps by Email

Weather Maps by Email

Atlantic versus Pacific Highs

Atlantic versus Pacific Highs

qtVlm Grib Time Slider and Related Functions

qtVlm Grib Time Slider and Related Functions

Line of Soundings Fix using ECS

Line of Soundings Fix using ECS

Load US Tidal Harmonics into qtVlm Mobile Apps

Load US Tidal Harmonics into qtVlm Mobile Apps

CTS by Quick ECS Solution

CTS by Quick ECS Solution

Line of Soundings Fix 2: Paper chart and transparency

Line of Soundings Fix 2: Paper chart and transparency

Line of Soundings Fix 1: Overview

Line of Soundings Fix 1: Overview

Targeted Internet Searching

Targeted Internet Searching

Excellent Tide and Current App for Mariners

Excellent Tide and Current App for Mariners

Marks Manager and Archives in qtVlm

Marks Manager and Archives in qtVlm

Pathways in qtVlm, Part 3 Activating a Pathway

Pathways in qtVlm, Part 3 Activating a Pathway

Pathways in qtVlm, Part 2 Safety Checks

Pathways in qtVlm, Part 2 Safety Checks

Pathways in qtVlm, Part 1 Set up and Exporting.

Pathways in qtVlm, Part 1 Set up and Exporting.

Course to Steer solved with qtVlm, Method 2

Course to Steer solved with qtVlm, Method 2

Full Pacific surface analysis map in qtVlm

Full Pacific surface analysis map in qtVlm

UK Shipping Forecasts in qtVlm

UK Shipping Forecasts in qtVlm

qtVlm's NOAA Catalog to Select, Download, and Keep US Charts Up to Date

qtVlm's NOAA Catalog to Select, Download, and Keep US Charts Up to Date

Viewing Chart Update Changes in qtVlm

Viewing Chart Update Changes in qtVlm

Chart Groups in qtVlm

Chart Groups in qtVlm

The Magic Eye in qtVlm Pick Reports

The Magic Eye in qtVlm Pick Reports

Running Fix with Course Changes

Running Fix with Course Changes

Solving a Running Fix with with OpenCPN

Solving a Running Fix with with OpenCPN

Custom Display Options in qtVlm

Custom Display Options in qtVlm

Special Celestial Navigation Exercise. Stretch your skills.

Special Celestial Navigation Exercise. Stretch your skills.

Solving True Wind Vectors with qtVlm

Solving True Wind Vectors with qtVlm

Viewing HRRR Wind Forecasts in OpenCPN

Viewing HRRR Wind Forecasts in OpenCPN

Compare Wind Forecasts in qtVlm

Compare Wind Forecasts in qtVlm

Installing S-63 Charts into OpenCPN

Installing S-63 Charts into OpenCPN

Loading S-63 Charts into qtVlm

Loading S-63 Charts into qtVlm

Purchase and Download S-63 Charts from ChartWorld

Purchase and Download S-63 Charts from ChartWorld

Finding Available International Charts

Finding Available International Charts

Loading ChartWorld S-63 Charts into Expedition

Loading ChartWorld S-63 Charts into Expedition

Loading S-63 Charts into Expedition

Loading S-63 Charts into Expedition

Download Free S-63 Nautical Charts from New Zealand

Download Free S-63 Nautical Charts from New Zealand

Dual Screen Simulation in qtVlm

Dual Screen Simulation in qtVlm

Updating Tide and Current Data in OpenCPN for Mac

Updating Tide and Current Data in OpenCPN for Mac

Updating Tide and Current Data in OpenCPN for PC and Related Discussion

Updating Tide and Current Data in OpenCPN for PC and Related Discussion

Why a Following Current Hinders Steerage

Why a Following Current Hinders Steerage

NOAA Online Interactive ENC Viewer

NOAA Online Interactive ENC Viewer

AIS Simulation Practice from Different Locations

AIS Simulation Practice from Different Locations

Sail Simulation in qtVlm, Part 2

Sail Simulation in qtVlm, Part 2

Course to steer to correct for current: Example 2

Course to steer to correct for current: Example 2

Course to Steer to Correct for Current: Example 1

Course to Steer to Correct for Current: Example 1

Creating NOAA Custom Charts (NCC)

Creating NOAA Custom Charts (NCC)

Loading Starpath Training Charts into qtVlm, PC or Mac versions

Loading Starpath Training Charts into qtVlm, PC or Mac versions

Sail Simulation in qtVlm, Part 1

Sail Simulation in qtVlm, Part 1

DR Under Sail — Grib Reckoning

DR Under Sail — Grib Reckoning

Find Optimum VMC in qtVlm

Find Optimum VMC in qtVlm

Receiving GPX files on Mobile Apps

Receiving GPX files on Mobile Apps

Exporting and Transferring Routes and Pathways from qtVlm

Exporting and Transferring Routes and Pathways from qtVlm

Bermuda Race: Near Live ASCAT data in qtVlm

Bermuda Race: Near Live ASCAT data in qtVlm

Bermuda Race: ASCAT Wind Data in qtVlm

Bermuda Race: ASCAT Wind Data in qtVlm

Grib Display Options in qtVlm

Grib Display Options in qtVlm

Using NOAA Tides and Currents Online

Using NOAA Tides and Currents Online

Loading Grib Files into qtVlm

Loading Grib Files into qtVlm

How to Add Elevation Contours to a Chart in qtVlm

How to Add Elevation Contours to a Chart in qtVlm

ENC Object Display Modes

ENC Object Display Modes

Activate a Route, Not a Waypoint

Activate a Route, Not a Waypoint

Loading a Single Chart in qtVlm

Loading a Single Chart in qtVlm

Connect Smartphone GPS and Other Sensors to a Computer with Wifi

Connect Smartphone GPS and Other Sensors to a Computer with Wifi

Connecting Bluetooth GPS to qtVlm in a PC

Connecting Bluetooth GPS to qtVlm in a PC

Connecting iPhone GPS to qtVlm with GPS2IP app

Connecting iPhone GPS to qtVlm with GPS2IP app

Connecting a wired GPS to qtVlm

Connecting a wired GPS to qtVlm

Running fix with current, echart solution

Running fix with current, echart solution

qtVlm to Check Starpath Radar Course Exercises

qtVlm to Check Starpath Radar Course Exercises

Online Maps in qtVlm

Online Maps in qtVlm

qtVlm Simulation 4: COG Predictor and the Heading Line

qtVlm Simulation 4: COG Predictor and the Heading Line

qtVlm Simulation 3: COG Predictor Line and Anti-grounding Danger Cone

qtVlm Simulation 3: COG Predictor Line and Anti-grounding Danger Cone

qtVlm Simulation 2: Getting Started, Under Power

qtVlm Simulation 2: Getting Started, Under Power

qtVlm Simulation 1: Getting Set up

qtVlm Simulation 1: Getting Set up

Finding current and correcting for it

Finding current and correcting for it

Instruments set up in qtVlm

Instruments set up in qtVlm

ENC Object Tidal Stream Flood and Ebb — The Long Story

ENC Object Tidal Stream Flood and Ebb — The Long Story

Over zooming and ENC Chart Accuracy

Over zooming and ENC Chart Accuracy

Study ENC Details with Special qtVlm Features

Study ENC Details with Special qtVlm Features

Search Charts in qtVlm

Search Charts in qtVlm

Introduction to qtVlm: Part 4, Marks, Ranges, and Bearings

Introduction to qtVlm: Part 4, Marks, Ranges, and Bearings

Online ENC Object Catalogs

Online ENC Object Catalogs

NOAA Chartmakers Listen to Mariners

NOAA Chartmakers Listen to Mariners

Introduction to qtVlm: Part 3, Chart Notes

Introduction to qtVlm: Part 3, Chart Notes

Introduction to qtVlm: Part 2, General Settings / Appearance and Units

Introduction to qtVlm: Part 2, General Settings / Appearance and Units

Introduction to qtVlm: Part 1, First Steps and General Settings / Toolbar

Introduction to qtVlm: Part 1, First Steps and General Settings / Toolbar

Managing Pop-up Blockers for Various Browsers

Managing Pop-up Blockers for Various Browsers

Download and Install qtVlm to a Windows PC

Download and Install qtVlm to a Windows PC

Download and Install qtVlm onto a Mac

Download and Install qtVlm onto a Mac

Download NOAA Charts and Load into qtVlm

Download NOAA Charts and Load into qtVlm

How to Check Tidal Harmonics Using Archived NOAA Data

How to Check Tidal Harmonics Using Archived NOAA Data

Tide and Current Display in qtVlm

Tide and Current Display in qtVlm

Loading US Tidal Harmonics into qtVlm on a PC

Loading US Tidal Harmonics into qtVlm on a PC

Loading US Tidal Harmonics into qtVlm on a Mac

Loading US Tidal Harmonics into qtVlm on a Mac

Danger Bearings

Danger Bearings

Setting Danger Bearings in qtVlm

Setting Danger Bearings in qtVlm

Finding Course to Steer from Instruments

Finding Course to Steer from Instruments

Course to Steer in Current Solved with qtVlm

Course to Steer in Current Solved with qtVlm

Course to steer to correct for current: paper and pencil solution

Course to steer to correct for current: paper and pencil solution

Course to Steer to Correct for Current: Fast OpenCPN Solution

Course to Steer to Correct for Current: Fast OpenCPN Solution

Running Fix Discussion

Running Fix Discussion

Compare Model Forecasts with Buoy Reports in qtVlm

Compare Model Forecasts with Buoy Reports in qtVlm

Sharing Routes Between OpenCPN and qtVlm

Sharing Routes Between OpenCPN and qtVlm

Find Current from COG, SOG and CTW, STW using qtVlm

Find Current from COG, SOG and CTW, STW using qtVlm

Course to Steer to Correct for Current Using qtVlm

Course to Steer to Correct for Current Using qtVlm

Finding CMG and SMG in Current Using qtVlm

Finding CMG and SMG in Current Using qtVlm

Plotting a Running Fix Using qtVlm

Plotting a Running Fix Using qtVlm

Piloting Plotting Using qtVlm

Piloting Plotting Using qtVlm

Connect USB GPS to OpenCPN

Connect USB GPS to OpenCPN

Study Storm Avoidance Using qtVlm Simulator

Study Storm Avoidance Using qtVlm Simulator

Use of Split Screen Display in OpenCPN

Use of Split Screen Display in OpenCPN

Create KML files of ASCAT Wind Data

Create KML files of ASCAT Wind Data

Find isobar curvature on a weather map... and why we care.

Find isobar curvature on a weather map... and why we care.

COGOW Revisited

COGOW Revisited

Find Optimum VMC Using qtVlm

Find Optimum VMC Using qtVlm

Ever Given Reenactment: Part 3, Winds, Tides, and Currents

Ever Given Reenactment: Part 3, Winds, Tides, and Currents

Ever Given Reenactment, Part 4: Depth Profile, Bank, Cushion, and Squat

Ever Given Reenactment: Part 2, Simulation Methods and Chart Notes

Ever Given Reenactment: Part 2, Simulation Methods and Chart Notes

Ever Given Grounding Reenactment Using qtVlm: Part 1, Actual Track

Ever Given Grounding Reenactment Using qtVlm: Part 1, Actual Track

Install OpenCPN, Base Maps, and Training Charts

Install OpenCPN, Base Maps, and Training Charts

Plot DR Track from Logbook in OpenCPN

Plot DR Track from Logbook in OpenCPN

Update DR from Logbook Entries, Computed by Log and Compass

Update DR from Logbook Entries, Computed by Log and Compass

Update DR from Logbook Entries, Computed by Speed and Time

Update DR from Logbook Entries, Computed by Speed and Time

Course to Steer to Correct for Known Current

Course to Steer to Correct for Known Current

Solving for Course to Steer in Known Current

Solving for Course to Steer in Known Current

Viewing Georeferenced Weather Images in qtVlm

Viewing Georeferenced Weather Images in qtVlm

Viewing Grib Files in qtVlm

Viewing Grib Files in qtVlm

Identifying Frontal Systems in Grib Files

Identifying Frontal Systems in Grib Files

Optimum Sailboat Routing with qtVlm

Optimum Sailboat Routing with qtVlm

Optimum Weather Routing with OpenCPN

Optimum Weather Routing with OpenCPN

Optimum Sailboat Routing with LuckGrib

Optimum Sailboat Routing with LuckGrib

Optimum Sailboat Routing with Expedition

Optimum Sailboat Routing with Expedition

Viewing Sea Ice Coverage and Thickness from RTOFS using LuckGrib

Viewing Sea Ice Coverage and Thickness from RTOFS using LuckGrib

Viewing Probabilistic Forecasts in LuckGrib

Viewing Probabilistic Forecasts in LuckGrib

Overlaying weather maps and cloud images with GFS data using OpenCPN

Overlaying weather maps and cloud images with GFS data using OpenCPN

Showing GFS Global Forecast in XyGrib

Showing GFS Global Forecast in XyGrib

Viewing a Hi-res Regional Forecast (HRRR) in XyGrib

Viewing a Hi-res Regional Forecast (HRRR) in XyGrib

Viewing Ocean Current Data (RTOFS) in XyGrib

Viewing Ocean Current Data (RTOFS) in XyGrib

Viewing Wave Data in XyGrib

Viewing Wave Data in XyGrib

Effect of Touchscreen Display Option on Route Tool In OpenCPN

Effect of Touchscreen Display Option on Route Tool In OpenCPN

Advancing Circles of Position for a Running Fix

Advancing Circles of Position for a Running Fix

How to Submit a Starpath Online Course Quiz

How to Submit a Starpath Online Course Quiz

Introduction to XyGrib

Introduction to XyGrib

OpenCPN 5.2 download and install

OpenCPN 5.2 download and install

Best iOS App for US Weather, Part 2

Best iOS App for US Weather, Part 2

Best iPhone App for Local Weather Anywhere in the US

Best iPhone App for Local Weather Anywhere in the US

Accurate Chart Plotting: Paper vs. eCharts

Accurate Chart Plotting: Paper vs. eCharts

Evaluating Sextant Sights with StarPilot Sight Analyzer

Evaluating Sextant Sights with StarPilot Sight Analyzer

Moon-Venus Running Fix Solved by StarPilot

Moon-Venus Running Fix Solved by StarPilot

Starpath Marine Barograph App for iOS

Starpath Marine Barograph App for iOS

Introduction to Stellarium for Celestial Navigators

Introduction to Stellarium for Celestial Navigators

Detecting Fast Winds Aloft

Detecting Fast Winds Aloft

How to do a Celestial Sight Reduction of the Sun

How to do a Celestial Sight Reduction of the Sun

Celestial Sight Reduction of a Jupiter Sextant Sight

Celestial Sight Reduction of a Jupiter Sextant Sight

Radar Range and Bearing Measurement

Radar Range and Bearing Measurement

Plot two Cel Nav LOPs and do Running Fix

Plot two Cel Nav LOPs and do Running Fix

DR plot from logbook on paper chart with leeway

DR plot from logbook on paper chart with leeway

Position from 3 radar ranges

Position from 3 radar ranges

How to Analyze a Noon Sight: Latitude at LAN

How to Analyze a Noon Sight: Latitude at LAN