Image of Sparky - the Club's logo

The Denver Radio Club, WØTX

Providing Amateur Radio Services for the Denver Area Since 1917.
Denver Colorado, U.S.A.
E-Mail to:
Image of ARRL Logo

 DRC Ham Radio Web Links 

Try some of these interesting web sites!

Denver Radio Club Items

Image of YouTube Logo Packet Radio Classes by W6OAV - all ten classes are now on the DRC YouTube Channel Image of YouTube Logo


Other Metro Denver Area Clubs

RMRL - Rocky Mountain Radio League
CRA - Colorado Repeater Assn.
CRRG - Castle Rock Repeater Group
Colorado ARES
Colorado RACES
Colorado Section, ARRL
Rocky Mountain Division ARRL


Other Ham Clubs Around the World

SandHills Amateur Radio Club, Garden City and Scott City, Kansas
KARS - Kona Amateur Radio Society, Kailua-Kona, Hawaii
Amateur Radio Lighthouse Society
OCARC, Kelowna, British Columbia, Canada
The Essex Ham Webite, from south west England


Propagation - Band Conditions - Predictions

Australian Govt. HAP Charts Site - choose Hourly, then select the Boulder option for Colorado a simple, basic, easy-to-use site.
VOACAP Professional - Developed for the Voice of America Shortwave Broadcast Service.


Call Sign and Repeater Look-Up Servers

UALR Call Sign Lookup Server


Maritime Mobile Distress Calls

If you receive a MAYDAY call on the Amateur Radio H.F. frequencies, from a boat or ship In Distress at sea:
Make a telephone call to the U.S. Coast Guard at: 703-313-5900
or 305-415-6800 (both numbers are monitored 24hrs./day).

Please get the boat/ship's location and keep in constant communications with the boat/ship
until the U.S.G.C. high power H.F. radio can come up on the frequency you are are using.

Copy down these phone numbers and keep the info in your shack where it is easily found.


Ham Radio and Related Organizations

ARRL - American Radio Relay League's Home Page
AMSAT, Radio Amateur Satellite Corp.
FISTS - The Intl. Morse Code Preservation Society
TAPR, Tucson Amateur Packet Radio Corp.
FCC Welcome Page
The Maritime Radio Historical Society
IEEE organization
SETI League
Interactive Shortwave Broadcast Schedule from the HFCC


International Amateur Radio Societies

RSGB - Radio Society of Great Britain, UK
GARS - Guernsey Amateur Radio Society
JARL - Japan Amateur Radio League (in English)
GARS - Gibraltar Amateur Radio Society
SARTS - Singapore Amateur Radio Transmitting Society
RNARS - Royal Naval Amateur Radio Society
TTARS - Trinidad and Tobago Amateur Radio Society
RL - Luxemborg Amateur Radio Society
Waverley Amateur Radio Society, Sydney Australia
Federacion Mexicana de Radio Experimentadores (in Spanish)
Union Radioaficionados Espa├▒oles (in Spanish)
Radio Club de Costa Rica (in Spanish)
DARC - Deutscher Amateur-Radio Club (in German)
REF - Union Francaise des Radioamateurs (in French)
ARI - Associazione Radioamatori Italiani (in Italian)
Radio Amateurs of Canada (in Canadian, eh?)
ARSK - Radio Society of Kenya
IRTS - Irish Radio Transmitting Society
IARU - International Amateur Radio Union
ITU - International Telecommunication Union


Amateur Radio News

Southgate Amateur Radio News - International Ham Radio News from London, England
"Amateur Radio Newsline": Pasternak's Ham Radio News Reports News and Reviews
The iCQ Podcast from Great Britain


Dealers and Suppliers

HamRadio Outlet
R F Parts Company
Radio City inc.
BUXCOMM - Packet Radio Stuff
Texas Towers On-Line Store
Array Solutions - antenna arrays
BEC Distribution Ltd., TOKO Products Distributor and Technical Info.
Digikey Corp. - Electronic Parts
Mouser Electronics
Jameco Electronics
Allied Electronics
Dan's Small Parts and Kits Co.
Arrow Electronics
Newark Electronics
BG Micro Electronics
Micro Center Computers & Electronics
Monoprice Computer & Home Electronics Supply
Parts Express - audio parts and components
Monitoring Times Magazine
Hutton Communications Supply


Equipment Manufactures:

Antenna Specialists and Maxrad brand antennas
Antenex Antenna Corp.
Arrow Antenna, in Cheyenne, WY
Andrew Corp. (Heliax Coax Cable)
Alinco USA
Yaesu USA
Hamtronics - VHF & UHF Radio Equipment
Kenwood Amateur Radio
Down East Amateur Microwave
B&W (Barker & Williamson) Antennas/Coils
Tigertronics Digital/Packet Interfaces
Diamond Antenna
Comet Antenna/Daiwa/Maldol
US Tower
MAHA Batteries/Chargers
M2 Antennas
Rohn Tower Information
Glen Martin Engineering - Towers
QRP-Labs: ham radio kits


Misc. Ham Radio Related Information

The FCC's Info on Amateur Radio Service, U.S.A.
The FCC's Title 47 - The Rules for the U.S.A.
Guide to Amateur Radio for New Hams.
"How Ham Radio Works" at's web site.
The Wikipedia's article on amateur radio.
AC6V, Rod Dinkins' "little" web site.
AA9PW's FCC & FAA Practice License Exams.
HamGallery: QSL Card site.
QSL.NET: home page of the free amateur radio web hosting site.
The eHam Web Site: News, Reviews, Articles.
Ham Radio Mods pages.
QRSS and You.
W7EL, Roy Lewallen's "EZNEC" Antenna Modeling Program.
G4FGQ, Reg Edwards' (SK) Free Ham Radio Software (Memorial Site).
VK2CA's web site in OZ land.
What Time is It? - The U.S. Naval Observatory.
Storage Battery FAQ from Wind & Sun Co.
Repeater Builder's Technical Info.
G3SEK's Technical References on R.F. Amplifier Design.
U.S. Coast Guard's Maritime Communications Information Pages.
Chuck Husick's Boating Radio and Electronics Pages.
Harry's Homebrew Projects.
History of the Atlantic Cable & Submarine Telegraphy.
Salsa, HF Propagation Prediction, QRP PK31, and some other non-related items.
Small Tuned loop antennas (STLs) for H.F.
More information on Small Tuned loop antennas (STLs), aka Magnetic Loops.
"John's Radio Pages.
"The Mystery of Radials" by Thierry Lombry, ON4SKY.
Anyone remember what a CK722 is?
More Carl and Jerry memories.
Some information about Tesla.
Cheap and easy to build Yagis for VHF/UHF, by WA5VJB and AB5SS.
What is a "Class E" transmitter?
An on-line, interactive, Amateur Satellite Pass Predictor by AMSAT.
How to Silver Plate RF Components.
Radio, electrical and electronic articles, from G3YNH.
SolderSmoke Podcasts (in MP3 format), by Bill, N2CQR.
The 50 KW A.M. Broadcast Transmitter at KOA radio, Denver Colorado, circa 1935.
Ham Radio Interest by Facebook® Users.
American Radio History.
Sherwood Engineering's Ham Receiver Tests (ranked by Dynamic Range, Narrow Spaced).
W8JI's Repository of Ham Radio Info - A Cornucopia of In-Depth Articles.
A site devoted to PSK31 Digital Communications for Amateur Radio.
A repository of download-able issues of Ham Radio Horizons magazine from the late '70s.
A repository of download-able issues of Radio Electronics Magazine from the '80s & '90s.
A repository of download-able issues of the classic 73 Magazine.

Download the entire internet in just one click (zip file format).