hm radio

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hm radio

53 links

Antennas : Baluns : 1 to 1 Balun
  • A 1:1 Coaxial Balun  pop - PDF article about a coaxial 1:1 balun, original concept by I4BBE using a quarter-wavelength and the three-quarter-wave adapting sections with the 50-Ohm coaxial cable by I0QM
    [ Hits: 44459 | Votes: 30 | Rating: 7.22 ]
Antennas : Beverage
  • The Benchmark Beverage - The purpose of this page is to examine the performance of a typical Beverage when all variables except length are held constant
    [ Hits: 1466 | Votes: 0 | Rating: 0 ]
Antennas : Loop
  • 160 meter full wave loop antenna  pop - The antenna is a 10 - 160 meter horizontal loop fed with 450 ohm ladder line all the way into the ham shack to an Palstar AT1500BAL balanced line antenna tuner
    [ Hits: 97818 | Votes: 122 | Rating: 6.48 ]
Antennas : Multiband
  • W4JOH Cobra Antenna - The original Cobra antenna, is a multiband 160 or 80 to 10 meter, designed by W4JOH is built using standard insulated wire of about 14 gauge and fed with 450 ohm ladder line down to the shack into a tuner.
    [ Hits: 1709 | Votes: 1 | Rating: 10 ]
Antennas : Satellite
  • K5OE, 70 cm Quagi Antenna - An AO-10 antenna by K5OE, this design is optimized for 436.8 mHz with a 50 Ohm feed
    [ Hits: 5343 | Votes: 5 | Rating: 7.4 ]
Antennas : VHF UHF
  • Common vhf amateur radio antennas - Plans and drawings of common amateur radio antennas, like jpoles, copper cactus, super jpole, omnidirectionals and quads
    [ Hits: 2100 | Votes: 2 | Rating: 9 ]
Antique Radios : Collections
  • Vintage Radios - Purveyor and Collector of Antique/Vintage Radios, Valves (Tubes) and Service Data for many radios. Alba Bush Champion Cossor Dansette Decca Defiant Eddystone Ekco Emerson Etronic Eveready Ferguson Ferranti GEC Grundig HMV Invicta Kolster-Brandes Lissen Marconi Masteradio McMichael Mullard Murphy Pam Perdio Philco Philips Pilot Pye Regentone RGD Roberts Sobell Sony Stella Strad Ultra Vidor
    [ Hits: 11579 | Votes: 7 | Rating: 3.57 ]
Ham Radio : Blogs : USA
  • Tech.fahmu.net - KF6SPI Technical blog, audio, hifi, car and ham radio topics
    [ Hits: 409 | Votes: 0 | Rating: 0 ]
  • KC7CPM Ham Radio Blog - Yahoo 360 hma radio blog
    [ Hits: 346 | Votes: 0 | Rating: 0 ]
Ham Radio : Clubs : North America : Canada : British Columbia Ham Radio : Clubs : North America : USA : California Ham Radio : Clubs : North America : USA : Texas
  • TSARC INC - Texas Southmost Amateur Radio Club
    [ Hits: 303 | Votes: 1 | Rating: 10 ]
Ham Radio : Clubs : North America : USA : Virginia
  • Richmond Amateur Radio - The RARC is the oldest ARRL affiliated club in Virginia. Founded in 1929 by Ted Mathewson, W4FJ one of the earliest Ham Radio Operators licensed by the FCC.
    [ Hits: 864 | Votes: 1 | Rating: 7 ]
Internet and Radio : Radio Gateways
  • WinLink 2000 - WinLink 2000 employs Stations World-wide to provide an HF/VHF/UHF digital radio Interface into the Internet Email system for the mobile radio operator. Features include binary and graphic file attachments, APRS position reporting and over 340 downloadable WX products. The mode used is Pactor I and Pactor II.
    [ Hits: 5286 | Votes: 19 | Rating: 5.68 ]
Manufacturers : Antennas : VHF UHF Microwave
  • Duplexers.eu - We produce duplex filters for 6 m, 2 m, 70 cm, and 23 cm band but also for HF bands. Sella and produce products for Ham Radio Repeaters.
    [ Hits: 1899 | Votes: 1 | Rating: 1 ]
Operating Modes : DSP
  • G-tor - G-TOR is a trademark of Kantronics, Inc. G-TOR (Golay-Teleprinting Over Radio) can be viewed, in part, as a variant of the Automatic Link Establishment (ALE) protocol, outlined in MIL-STD-188-141A.
    [ Hits: 559 | Votes: 0 | Rating: 0 ]
Shopping and Services : T-shirts
  • MrHamRadio.com - Custom Printed T-Shirts - Custom Design T-Shirt with No Minimum order (you can buy just 1) and NO Setup Fee. Will transfer your Favorite Images from JPEG's and E-mail attachments and from photo prints to Custom T-shirts with unbelievable Crispiness and Clarity of true Color Reproduction. Our image transfer paper is 11.5" x 8" heavy duty industrial grade.
    [ Hits: 1138 | Votes: 1 | Rating: 10 ]
Software : Linux
  • CQRLOG - Advanced ham radio Linux logger based on Firebird database. Provides radio control based on hamlib libraries, DX cluster connection, QRZ callbook, a grayliner, ON6DP QSL manager database support and a most accurate country resolution algorithm based on country tables developed by OK1RR. CQRLOG is strongly focused on easy operation and maintenance.
    [ Hits: 2723 | Votes: 9 | Rating: 7.22 ]
Technical Reference : Dummy Loads
  • A 50 ohm dummy load - Make your own dummy load with two 100-ohm 5W resistors
    [ Hits: 11931 | Votes: 21 | Rating: 6.14 ]
Technical Reference : Sound Card Radio Interfacing
  • A Cable Construction Trick - If you have several TNC and radios this trick can be usefull for you
    [ Hits: 2718 | Votes: 3 | Rating: 4.67 ]

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