How Modulation Modes Work -- Very Visual Explanations for AM, FM, SSB, DSB, QAM
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
Go To The CW Page -- 20 Links to CW Trainers, Aids, 200 Practice QSO's, History and Much More
On The Air From A WheelChair -- From By Bob Hejl - W2IK
ARRL Amateur Radio for the Blind -- Many Articles
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
Solving Ignition Noise RFI - Via The ARRL
Automobile Articles - Via The ARRL
NX7U Mobile Pages -- Check This Out
Mobile Mail List Reflector
-- Subscription Info
From The News Groups:
Someone asked me to post the following summary of three California 75m Mobile
Shootouts:
Bugcatcher/Screwdriver with top hat 0 dB reference
Bugcatcher/Screwdriver, no top hat -3 dB, -50%
Hustler
-7 dB, -80%
Outbacker
-9 dB, -88%
Hamstick
-12 dB, -94%
Whip with autotuner -14
dB, -96%
Considering that the top legal 75m mobile antennas are only 5%-10% efficient to
begin with, a Hamstick radiates ~0.6 watts in the far field with 100 watts
input. 75m Hamstick users must really enjoy QRP. :-)
--
73, Cecil HOME Page
MOTORCYCLE, BICYCLE, AERONAUTICAL, AND PEDESTRIAN MOBILES
Motorcycle Amateur Radio Club -- MARC
Motocycle Mobile Forum -- From eHam.net
Motorcycle Special Events Team -- Texas Style
Bicycle and Pedestrian Mobile Pages - Via HFPack - The Portable Group
HF PORTABLE
Goto The
HF Portable Pages
HFRADIO.ORG -- Propagation, DX, Callsign/QSL routes, Swap and Shop, Online Map Creation, Learning / Licensing -- By NW7US,Tomas
LOWFERS Longwave Club of America. -- The World of Radio Below 500 kHz
Low Bands -- 160, 80, 40, and 30 meters From K3KY
160 Meter Mail List Reflector -- Subscription Info
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.
Digital Modes Sample Sounds -- listen to the sounds -- from KB9UKD
WB8NUT's Digital Modes - Sounds - Click on the speaker icons
Yahoo Digital Ham Group -- Digital voice & data communication techniques a bunch
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
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
AX.25 Amateur Packet-Radio Link-Layer Protocol --Via TAPR
Great Packet Page -- By G. E. "Buck" Rogers Sr K4ABT
RTTY Reflector -- Subscription Info
RTTY Basics -- A must Read
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
SEE
SOFTWARE FOR PSK31
Has Awards and General PSK31 Pages as Well
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
Yogi
Berra Once Sed To His Wife
"I think we're lost but we're making good time"!
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.
SSTV & ATV Mail List Reflector -- Subscription Info
MMSSTV - Sound Card SSTV!!
G0HWC's SSTV - Great SSTV Site
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
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
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.
WSJT Meteor Scatter Programs -- by K1JT
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
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
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.
Spread-Spectrum Radio Design -- Via TAPR
Spread Spectrum Scene - Online -- By KC6YJY, Randy Roberts
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
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.
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
NAVTEX -- Loads of info by Cor van Soelen
Section moved, see HERE
Last Update: July 26, 2010