Tiems, kas norėtų gilintis į visus GPS niuansus iki smulkmenų - kai kurios mūsų nuomone vertingos "vietelės"

Naujienų grupės

• sci.geo.satellite-nav
  Ši naujienų grupė pradžioje buvo skirta bendriausioms palydovinės navigacijos temoms, tačiau laikui bėgant tapo viena iš labiausiai apimančių visas GPS problemas. Gera vieta pradėti žvalgytis pačių naujausių žinių apie GPS.
• sci.engr.surveying
  Ši grupė skirta kartografijos ir žemėtvarkos klausimams
• rec.aviation.products
  Ši grupė skirta diskusijoms apie aviacinius įrengimus. Gera vieta užduoti klausimus susiijusius su aviaciniais GPS imtuvais.
• rec.boats.electronics
  Ši grupė skirta diskusijoms apie jūrinius elektroninius prietaisus. Tinka klausinėti apie jūrinius GPS imtuvus.
• comp.infosystems.gis
  Grupė skiriama diskucijoms apie kompiuterizuotus žemėlapius ir geografines informacines sistemas.
• sci.space.news
  Ši moderuojama grupė skirta naujienoms susijusioms su kosmosu ir naujų palydovų paleidimu/panaudojimu.
• sci.space.tech
  Grupė skirta kosminės technologijos temoms.
• sci.engr.semiconductors
  Ši grupė skirta pokalbiams apie puslaidininkius. Tinkama vieta klausinėti apie GPS imtuvų procesorių (čipų) naujoves ir veikimą.

Garmin GPS Users
Reklamos užsakovų išlaikomas "mailing list'as" skiriamas GARMIN GPS vartotojų diskusijoms ir techninėms jų problemoms

Joe Mehaffey's and Jack Yeazel's super link collection on GPS (go to original web page)

• Autoroute 5 GPS Compatible Moving Map Software -Review (23 APR 97)
• Casio WRISTWATCH GPS RECEIVER>  Introduced in January 1999> Picture and specs (9 JAN 99)
• Eagle AccuMap 12 -Review by Steve Aikens (Link)
• Eagle Expedition II Compared to the Garmin 12XL -Review (20 Nov 98)
• Eagle Explorer 1.4 -Review (10 APR 97)
• ETAK SkyMap GPS/Moving Map Display System -Review (15 MAR 98)
• Garmin StreetPilot Mapping GPS -Product Review (20 JUL 98)
• Garmin StreetPilot Mapping GPS> Screen Photographs (2 JUL 98)
• Garmin StreetPilot>Atlanta Street Level Map Coverage Area (150K file) & Available Maps (3 OCT 98)
• Garmin's G-III + base maps compared with StreetPilot's Base maps (18 Dec 98)
• Garmin G-III Mapping GPS receiver> Product Review (4 Jan 99)
• Garmin G-II+ -Review (14 SEPT 97)
• Garmin G-12XL GPS Product Review (26 JUN 98)
• Garmin G-12XL GPS> Screen Photographs (Link)
• Garmin GPSMAP-175 -Product Review (10 FEB 97)
• Garmin G-12 Compared to Magellan GPS-2000xl and GPS-4000 (12 JUN 98)
• Garmin Announces NavTalk>Combined GPS-III with Cell Phone (7 JUN 98)
• GPS External Amplified Antennas > A comparison of several common models (12 OCT 98)
• GPSCOM-170 -Review (29 MAY 98)
• G-12/G-12XL/G-IIplus Feature Comparison (Link)
• G-12/G-12xl/G-48 Feature Comparisons (Ver 4.0x) by Dale Depriest
• Lowrance MapCreate>Select YOUR OWN maps from CDROM and upload to GPS (1 JUL 98)
• Lowrance Global Map 100 GPS >Review by Joe and Jack (1 OCT 98)
• Lowrance Global Map 100 GPS >First Looks by Ira Wilner (9 SEPT 98)
• Lowrance GM-100 Screen Photographs  as Compared to the Garmin G-III Screen Photos (29 OCT 98)
• Magellan Blazer compared to the Garmin GPS-12[not XL] (23 JUL 98)
• Magellan Pioneer - Two Short Reviews (6 JUN 98)
• Nomogram of GPS Software and Hardware Compatibility (20 MAY 98)
• Ozi Explorer and Fugawi Scanned/DRG Map Software -Compared (23 JUL 98)
• Street Atlas 5 -Review (7 MAR 98)
• StreetFinder Deluxe 1998>Software Review by Dale Depriest
• Topo! Mapping Software> Review by Dale Depriest (31 JUL 98)
• TOPO! GPS, TOPO!, and TrailSmart Products from Wildflower>Review by Bill Straka(5Jan99)
• WHY buy a 12 channel GPS receiver?  Why not a cheaper 1 or 2 channel scanner?

• Battery-drain measurements for several GPS receivers (14 JAN 99)
• Batteries>  Should I use Alkaline,  Lithium, NiCad, or NiMH batteries in my GPS? (17 SEPT 98)
• City Database points don't show up in Nearest 9 waypoints (29 MAY 98)
• Garmin Active Powered Antennas> A look at the different models (4 JAN 98)
• Garmin FAQ (Frequently Asked Questions, Miscellaneous) including (LINK) to Garmin FAQ site
• Garmin Firmware Revisions, Features, and Update/Upgrade costs and policy (8 JAN 99)
• Garmin G-III ver 2.06 firmware> What improvements did it add? (Link)
• Garmin Hardware Upgrades>G-12xl ver 4.0, G-II+ ver 3.0, and G-48 ver 4.0 (10 APR 98)
• Garmin Internal Datum Storage>What Datum is output in GRMN and NMEA modes? (23 MAY 98)
• Garmin's diagnostic features>  Mess with these and you may lose your data. (by Dale 4Jan99)
• Garmin Simulator Mode>How to I initialize the starting point in the Garmin G-III and III+? (3 JAN 99)
• Garmin Waypoints> Why don't they increment by filling in the holes in a sequence? (15 JUL 98)
• Garmin Waypoint Averaging> What is it and how does it work? (23 MAY 98)
• G-III Road and Highway Maps>How accurate are they? (23 OCT 97)
• GPS Antenna and Sensitivity Comparisons> How NOT to make the wrong conclusions. (4 JUL 98)
• GPS Feature WISH LIST>All GPS Manufacturer's take note!> Maintained by Dale Depriest
• GPS locks Quickly when my car is stopped and takes much longer when I am moving> Why? (4 JUL 98)
• GPS signal strength bars>  What do they mean when they are "hollow" or all black? (4 JUL 98)
• GPS won't lock, Signals look OK> What's wrong? (4 JUL 98)
• Magellan GPS-4000/3000/2000(and XL) Power/Data Module Connections (29 MAY 98)
• Magellan's ColorTrack 'Altimeter' (23 MAY 98)
• Memory Backup Battery problems in some Garmin GPS receivers (4 JUL 98)
• Nearest 9 Waypoints on Garmin GPS Units>Details (29 MAY 98)
• SA>  Why does the military put errors into civilian GPS signals? (5 NOV 98)
• SiRF>  Manufactures GPS Chip Sets for OEM use (link)
• Trimble's Patent on a Wrist GPS (Link)
• WaterProofNess of Garmin Receivers -Garmin Engineering (MAY 97)
• WaterProofNess of Lowrance Receivers> Lowrance Engineering (14 JUL 98)
• What Happens when Diagnostics Page wipes out all Garmin Stored Data (23 MAY 98)
• Why Would I want a GPS Receiver AND WHAT COULD I DO WITH IT?
• Year 2000> Which GPS receivers have problems? (7 DEC 98)
• Year 2000> Is there a REAL Year 2000 problem with GPS equipment and what is it? (12 NOV 98)
• Year 2000> What about the GPS Satellites and the Ground Control? (4 JUL 98)

• AutoRoute (Europe) Coverage (4 JUL 98)
• Datums: A Brief Description (6 JUN 98)
• Datums: How much error in my position if I fail to use the correct datum with my Lat/Long reading? (Link)
• Datums:  New Zealand Geodetic 2000 (LINZ) datum > Information About NZ's new datum (Link)
• Datums:  Sam Wormley's list of links to information on DATUMS (1 DEC 98)
• DRG Maps>Digital Raster Graphic Maps> What are they anyway? (Link)
• Garmin StreetPilot MetroGuide Database descriptions (Link)
• Garmin City Database Details (1 JUN 98)
• Garmin G-III Maps Description (23 MAY 98)
• G-III Road and Highway Maps>How accurate are they? (23 NOV 97)
• Grid Conversions, Coordinate Transformations,  and Map Translation Software (Links)
• Longitude/Latitude Formulas for GPS and Navigation (Link)
• Mercator Projections> Norris Weimer tells us about the PROJECTIONS and the MAN (Link)
• National Geodetic Survey Markers> How can I find one near where I am? (Link)
• Navigation BEFORE GPS > How did we do it? (Link)
• Put ADDRESS IN> Get Lat/Long and Map showing location (Link)
• RINEX>The National Geodetic Survey's Receiver Independent Exchange Format>What is it? (Link)
• Enter Place, Get Waypoint>Sam Wormley's Waypoint Site (Link)
• Sun/Moon - Rise and Set times>Click on Map, readout appears immediately (Link)
• User Grids -The Start of a Small Collection (7 SEPT 98)
• USGS Aerial Photos and Satellite Photos of the USA and Europe (Link)
• USGS Digital Raster Graphics (DRG) Topographical Maps>Where to get them (Link)
• UTM: A Brief Description (4 JUL 98)
• UTM and Datum Information Web Sites (Link)
• Waypoints Lists (Link)

• Almanac and Ephemeris Data> What is it? (4 JUL 98)
• GPS operation and Tutorial  book Recommended by Bill Straka
• DGPS (Differential GPS)> What is it and how does it make a GPS receiver more accurate? (Link)
• DGPS (Poor Man's)>Why can't I use two regular GPS receivers, one in a fixed position, to eliminate SA error?
• DOP> Dilution Of Precision> and HDOP and VDOP> What are they? (3 JUL 98)
• FOM >Figure of Merit< What is it?
• How does a GPS Receiver get a LOCK?>Tom Clark tells us
• Then What is EPE?
• GPS BEARING TO NEXT WAYPOINT versus DIRECTION OF TRAVEL > Explanation
• The GPS's Clock Function and More Rollover Trivia
• GPS "Compass" reads WRONG >  Why is that?
• GPS Error Budget from GPS World [rms, not 95%] (23 MAY 98)
• GPS Primer> Simple explanation of how the GPS system works
• GPS Signal Specification Document>U. S. Coast Guard (Link)
• GPS Signal Tutorial (simplified)> GPS Spread Spectrum and how carrier phase measurments are made
• NavStar User Equipment Introduction>Technical Tutorial on GPS technology [*.pdf] (Link)
• NavStar Joint Program Office>  Official Website of "the keepers of the GPS System"
• Post Processing> Can I Post Process the NMEA data coming out of my "consumer" GPS to achieve higher accuracy?
• Russian GLONASS>Official Russian Defense Ministry Site (Link)
• Russian GLONASS>MIT Information Site (Link)
• Satellites>Where are they?  Can I see them? Where do I look? (Link)
• Spread Spectrum Transmission>Frequency hopping, Direct Sequence, and CDMA> What are they?
• Trimble's Excellent "How GPS Works" (Link)

• Airlines which APPROVE or DISAPPROVE GPS use during flights
• Boeing SERVICE LETTER deals with consumer electronic equipment use on Boeing Aircraft (Link)
• Calendar Trivia
• Car Navigation Systems>A review of technology today in dedicated Automobile Nav Systems (Link)
• Delorme's Frequently Asked Questions list (FAQ) for Street Atlas 5 and Other Delorme Products
• DGPS>How can I build MY OWN DGPS BASE STATION and DGPS RECEIVER?
• DGPS Services>Worldwide Listing of Available Services (additional input solicited)
• European Global Navigation Satellite System, Go-Ahead Announce (18 JUN 98)
• FAA's Modernization Plans> WAAS,  GPS and other technology plans to enhance safety and efficiency
• How Far North will my GPS operate?> Bill Straka gives us his experiences
• Garmin's Official Upload/Download Protocol in *.pdf [Adobe] format (Link)
• Garmin's Out-of-Warranty Repair Policy -Explained (17 SEPT 98)
• Garmin FAQs (Frequently Asked Questions)
• Glossary of GPS and GIS Terms and other GPS Tutorial Information
• GPS Altitude -How Accurate? (1 JUN 97)
• GPS>Flying on Commercial Airlines> Can I make my GPS work from a passenger seat?
• GPS Receiver Accuracy>How accurate should I expect them to be?>A study by David Wilson (Link)
• GPS Receiver COMPATIBILITY with Moving Map Software> What will work with WHAT?
• GPS Receiver Listings at GPS World Magazine>More GPS receivers than you ever knew existed (Link)
• GPS Time -How Accurate?
• GPS Time>Is it locked to UTC?  How do they do that?
• GPS use by PASSENGERS on commercial airlines> Is it SAFE?
• Jack and Joe> Why do they write all this stuff anyway? (11January 1999)
• Kalman Filters> Make your own by Andy La Varre (ACROBAT reader  required, Bring your Matrix Algebra Book)
• Kalman Filters> Sam Wormley's references and a simple explanation
• Millennium>  When does the NEW Millennium Start> Was there a YEAR "0 AD"?>The official word.
• NMEA FAQ and Sentence Definitions> Links to multiple sources (4 OCT 98)
• PalmPilot PalmTop Computer and GPS> Information and LINKS >Maintained by Dale Depriest
• RS232C Voltage-Levels Standard
• Selective Availability -View Track When It was Turned Off (13 DEC 98)
• Solar Bursts>Will the New 11 year Solar Cycle Prevent my GPS from working? (Link)
• Street Atlas 5> Useful Tips on usage plus link to Delorme Support Website
• StreetPilot Map Updates> What is Garmin's Policy and Price?
• Surveying and GIS information newsgroup>Go there (Link)
• Time Synchronization> How to Set your PC's Time-of-Day Clock using GPS and other Standards
• TOPO Maps Worldwide>  Why are they so hard to find?
• TripMate GPS>Can I power it from my laptop computer's DB9 Connector?
• Why SA?> Why does the military need to add error to Civilian GPS signals?

• Backcountry Guide for GPS Users>How to Hike with your GPS (Book Review)
• Delorme File Formats for TrackLog Data Reduction (Link)
• Garmin G-III Ver. 2.05 Update with Instructions to Display Individual Tracks (23 MAY 98)
• G7TO/Garmin Command-line Instructions (21 DEC 98)
• G7TO/Garmin PVT Protocol Activate, View, Record; Includes Vert.-Vel. Readout (20 AUG 98)
• G7TO/Lowrance Command-line Instructions (3 OCT 98)
• Move Waypoints in the Garmin G-III -how to
• Precision Mapping 3 -How to Put Individual States on a Computer Without a CD Drive (17 SEPT 98)
• Street Atlas 5, Improve Road Visibility on Laptops
• Street Atlas 5, Connecting to Garmin GPS Receivers and Data Transfer (2 JUL 98)
• Test  your GPS to Computer Connection using Windows 95 (29 JUN 98)
• TopoUSA (Delorme)> How to run from your HARD DRIVE instead of from CDROM.
• Tripmate GPS connected to MS Autoroute Europe> How do I make them work together?
• WayPoint PLUS>  How do I install it?

• Aviation Data Base Management software for Garmin Units
• G7TO Program (DOS) Up/Downloads for Garmin data/SA5
• GARTrip
• GPS Utility>Upload/download to Garmin Receivers, map datum and format conversions
• Karen's GPS Software Listings (MAC/PC/Newton/etc)
• Loran-C to Lon/Lat Conversion Software
• MacGPS Pro Software
• Waypoint+ Program (Win-95/NT Only)

• APRS> Automatic Packet Reporting System> Reports your position automatically via Radio
• Aviation GPS Equipment Reviews Available Here
• Aviation GPS Equipment Reviews Available Here Too
• Don Bartlett's GPS Tutorial Site
• DOP demonstration site by Norris Weimer> How SV geometry affects GPS accuracy(Java Required)
• Geography Resources from the Mining Company
• GPS Equipment Manufacturers>  A very extensive listing
• Miscellaneous GPS Related Software Links> Courtesy of HEI
• Peter Bennett's GPS Index, Vancouver
• Sam's GPS Raw Data Pages
• Sam Wormley's Comprehensive GPS Info Site
• Tom Born's Garmin GPS Page in Germany>A "must see" for Garmin Information.

• Batteries>  Who sells them at good prices
• Blue Hills Innovations (Connectors and Cables for Garmin GPS units)
• Chicago Map (Vector Maps and Eagle Explorer Receivers)
• Delorme (Vector Maps and TripMate Receivers)
• DSH Electronics (European Map Program and Map CD ROMs)
• Eagle (Receivers)
• Fugawi (Scanned, DRG,and BSB Charts)
• Garmin (Receivers)
• GPSy (Macintosh)
• Jose Ramos  (Garmin GPS Cables)
• Lowrance (Receivers)
• Magellan (Receivers)
• MacGPS Pro Software
• MapSite 2 (Scanned Maps)
• NavMaster III (Scanned, DRG, and BSB Charts)
• NeverLost (Scanned Maps and Aussie Auslig CDROM)
• NMEAgent>MicraTek's freeware averages position, computes DOP and more
• Nobeltec (Marine navigation software)
• Ozi Explorer (Scanned, and DRG Maps)
• Psion to Garmin Software
• SA Watch (GPS Data Logging Software)
• Sam's GPS (Raw Data Pages)
• Software for Sailors (Improve Your Sailing Skills)
• Teletype mapping software for WinCE, PalmPC, Newton
• Vehicle Tracking Systems > Links to Vendors of GPS vehicle tracking systems with automatic reporting
• Vista (Scanned, Vector, and Flight Sectional Charts)
• VisualGPS>Software to demonstrate the wanderings of SA and the accuracy of your GPS
• Waypoint+(Up/Downloads from Garmin handhelds/SA5 and standalone)
• Wolfe's (Ron) GPS Accessories> Antennas,  Cables, Mounting Brackets and such.