How Modulation Modes Work -- Very Visual Explanations for AM, FM, SSB, DSB, QAM

Telecommunications Glossary

 Modulation Codes -- A1A, etc

Also See Modulation and Modes 

The AM Window Pages -- - Main Page -- Audio, Events, Freqs, Nets, Resources, Technical

AMFONE -- Guide to AM and Vintage Radio  Also AM FORUM with 1130 Members

AM Expained

Courage Handi-Ham System 

ARRL Amateur Radio for the Blind  -- Many Articles

GPS System For The Sightless

Wheelchair Accessible Minivan, the Vision™.

Automotive Interference Problems? -- What the Manufacturers -- Say From The ARRL

General Motors Radio Telephone - Mobile Radio Installation Guidelines

Chrysler Motors Mobile Radio Installation Guidelines

HF Mobile -- A San Diego Mobile -- From KA6WKE -- Great Installation Tips

Great Mobile Installation Tips -- From Alan Applegate, KØBG Via eHam.Net

K0BG Web Site -- Mobile Installation Tips

Automotive Noise Elimination By Stuart Downs. WY6EE  -- A Must Read

MOTORCYCLE, BICYCLE, AERONAUTICAL, AND PEDESTRIAN MOBILES

Motorcycle Amateur Radio Club -- MARC

Motocycle Mobile Forum -- From   eHam.net

Motorcycle Special Events Team -- Texas Style

Bicycle Ham Pages

Bicycle and Pedestrian Mobile Pages - Via HFPack - The Portable Group

Aeronautical Mobile Page 

Digital Ham Radio - About PSK31, TOR, AMTOR, PACTOR, PACTOR-II, PACTOR-III, G-TOR, CLOVER, RTTY, HF PACKET, HELLSCHREIBER, MT63, THROB, MFSK16, FSK, FUZZY MODES --- By; Murray Greenman ZL1BPU 

CLOVER -- From Hal Communications

 G4GUO's Charles Brian digital SSB protocol.  From G4GUO

Feld-Hell Club - Promoting the Hellschreiber mode - 418 Members

IRLP, ILINK, ECHOLINK, WIRES II

Packet Software -- Several to choose from

Tucson Amateur Packet Radio -- TAPR, All About Packet, APRS, DSP, Kits & projects

North American Digital Systems Directory -- From TAPR

Superb Packet Tutorial -- by Larry Kenney, WB9LOZ

Packet Radio Training Course -- From The Ventura County ARES AREA 6 Training Group

Still Another FB Packet Tutorial -- Buck Rogers K4ABT

Amateur Packet Radio Gateways  -- World Wide

PacketZone -- From Jan, DG1LJP - portal for Packet Radio-Users and offers a lot of links.

Packet Glossary -- The Original By Buck Rogers K4ABT

TAPR & Packet Mail List Reflector -- Subscription Info

PACTOR NEWS -- Phil Sussman - N8PS

PACTOR-II -- SCS Home Page -- The Works - includes a FB FAQ

HF Packet BBS's -- Try The Following Frequencies
14,105.5, 14,095.2, 10,149.25, 10,147.25, 7091.5 and 7103.5

North American Digital System Directory -- BBS, DX Packet Clusters, Nodes, Maps

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AX.25 Amateur Packet-Radio Link-Layer Protocol --Via TAPR

Great Packet Page -- By G. E. "Buck" Rogers Sr K4ABT

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 MMTTY - Sound Card RTTY!!

RTTY Reflector -- Subscription Info

RTTY Basics -- A must Read

RTTY Software

RTTY Fan Club - Lots Of RTTY Info From Sotiris SV1BDO

ARRL RTTY Transmissions -- Schedule

RTTY HINTS -- From Kantronics

RTTY Pages -- Including DXing, Contesting, Software Reviews -- From N1RCT

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PSK31

SEE SOFTWARE FOR PSK31
Has Awards and General PSK31 Pages as Well

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APRS San Diego -- Via SANDRA

APRS Primer - Via SANDRA

APRS Station Locations - findU.com -- A must see -- shows APRS Stations, maps, position, much more, all across the USA!

APRSPoint -- Mapping Software Program -- From KF6ZDM --- With APRSPoint, you don't have to scan maps any more!!!

APRS XASTIR -- program for receiving and plotting APRS(tm) position packets.

APRS Mail List Reflector -- Subscription Info

APRS -- From TAPR

APRS -- Tri-State APRS Working Group

APRS -- Kansas City APRS Working Group

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  GLOBAL POSITIONING SYSTEM  

Yogi Berra Once Sed To His Wife 
"I think we're lost but we're making good time"!

GPS Made Easy : Using Global Positioning Systems in the Outdoors by Lawrence Letham
Buy the Book Today!

GPS Land Navigation; A Complete Guidebook for Backcountry Users of the NAVSTAR Satellite System by Michael Ferguson, Randy Kalisek, Leah Tucker
Buy the Book Today!

A Comprehensive Guide to Land Navigation with GPS by Noel J. Hotchkiss
Buy the Book Today!

The Global Positioning System -- By Robert A. Nelson

GPS -- From USNO GPS Timing Operations

GPS Mail List Reflector -- Subscription Info

GPS -- Global Positioning System Overview-- From Peter H. Dana Department of Geography, University of Texas at Austin

GPS Time Series -- From NASA

NAVSTAR GPS Operations -- From The Time Service Dept., U.S. Naval Observatory

CONFLUENCE.ORG -- visits each of the latitude and longitude integer degree intersections in the world, and takes pictures at each location. Some incomplete. The pictures, and stories about the visits, will then be posted here.

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   SLOW SCAN TV   

SSTV & ATV Mail List Reflector -- Subscription Info

MMSSTV - Sound Card SSTV!! 

G0HWC's SSTV - Great SSTV Site

SSTV -- From Wayne's World -- Click on "Ham Radio" -- Lots of Programs & info

SSTV -- Excellent Slow Scan TV Page -- From PA3GPY

G0ITP's SSTV Page -- All About SSTV -- Numerous Links

W5NCD's SSTV Web Page -- Well Done SSTV Pages

Radiofax, Wefax, Pressfax, Photofax and Amateur, SSTV -- By Marius Rensen

ALSO See SSTV Software -- Several To Choose From

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  FAX & WEFAX 

World Wide Marine Radio Facsimile Broadcast Schedules -- From NOAA

National Weather Service (NOAA) -- Marine Home Page

WEFAX -- From Kantronics

WEFAX - Mscan Meteo -- Program for high resolution weatherfax reception.

Radiofax, Wefax, Pressfax, Photofax and Amateur, SSTV -- By Marius Rensen

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  METEOR SCATTER  

 

NEW  JT2 & JT4 DIGITAL MODES ANNOUNCED -- an experimental version of the popular WSJT weak signal software. Both are both designed for making QSOs under extremely weak-signal conditions while using the same message structure and source encoding as that used in J T 65.

Meteor Scatter With WSJT -- From The Six Meter World Wide DX Club

WSJT Meteor Scatter Programs -- by K1JT

Working DX on a Dead 50MHz Band Using Meteor Scatter -- Palle Preben-Hansen, OZ1RH

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   FAST SCAN TV -- ATV 

Amateur Television Network -- Fast Scan Amateur Television in Southern California, Nevada, Arizona, New Mexico, Indiana and soon in Illinois. ( . . . and worldwide by way of the internet.)

  Map  Southern California Coordinated ATV Repeater Map

ATV From France -- ATV repeaters in south of France, frequencies, modulations, used in France and in Europe -- From André F5AD

Amateur Television and High Speed Data Signaling From F4DAY

ARIZONA AMATEURS ON TELEVISION From KB7TBT

British Amateur Television Club -- With Amateur TV related software available for download

IK1HGI PAGES - TELEVISION AMATEUR ATV

OH3TR ATV Pages -- Many Excellent Links and Tech Data

San Francisco Bay Area ATV -- WA6ZJG

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   LASER COMMUNICATIONS!!! 

Lasers -- K3PGP Experimenter's Corner From VLF to Light

Amateur Radio Laser Communications -- From Jim Moss, N9JIM/6

ATV Repeater Using Laser Input -- DB0TVH In Hannover Germany

Laser Communications -- From Green Bay Professional Packet

Laser Mail List Reflector -- Subscription Info

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   MICROWAVE & SPREAD SPECTRUM  

KF6C MICROWAVE PAGE

SAN BERNARDINO MICROWAVE SOCIETY -- DEDICATED TO THE ADVANCEMENT OF COMMUNICATIONS ABOVE 1000 MHz

Microwave Page From WA1MBA -- Devoted to Amateur Radio Microwave interests including the MICROWAVE REFLECTOR.

Microwave -- The World Above 1000MHz From G3PHO Peter Day Sheffield

  Green Bay Professional Packet Radio -- Loaded With GHz projects and much more.

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Spread-Spectrum Radio Design -- Via TAPR

Spread Spectrum Scene - Online -- By KC6YJY, Randy Roberts

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VHF DXING

VHF Mail List Reflector -- Subscription Info

North East Weak Signal VHF Group -- The Works On VHF, Contests, Grid Square Maps, Calculate Your Grid Square

Hawaii Tropo Ducting -- From KH6HME

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  TRANSMITTER HUNTING 

Finding Hidden Transmitters -- By Steve Thomas, N6ST, Anritsu Company. Tracking down interferers can be challenging at best. Using some of the "tricks of the trade" helps uncover those hidden bugs.

Jerry Boyd's T-Hunt Web Site

Homing In -- From KØOV

DOPPLER D/F INSTRUMENTS -- From WB6EYV

Stalking the elusive "T" -- Southern California Transmitter Hunts

Doppler Systems Inc. -- Designs and manufactures radio direction finding equipment for amateur use

Peilgruppe Neandertal -- German fox-hunting group

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   NAVTEX 

Note that some Ham TNC's and Software are capable of receiving NAVTEX Broadcasts. See manufacturers pages and software pages. These broadcasts are easily received and decoded provided you are within range of a NAVTEX station and have a suitable terminal or decoding software, listen on 518KHz. The transmissions are short, perhaps 5 to 10 minutes, repeated 4 hourly.

NAVTEX -- Loads of info by Cor van Soelen

D-STAR

D-Star From The ARRL
D-StarRadio.Org With Map
D-Star From ICOM
D-Star Video 1 -- Well Done
D-Star Video 2
D-Star Video 3

 

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Web ac6v.com

 

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Last Update: January 17, 2008