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94 links - and 2 categories

Antennas : Quad
  • The Grid Yagi for 144 Mhz - The Grid Yagi (or Grid Quad) is a high performance yagi antenna that can be built with readily obtainable inexpensive materials. Described here is a 6 element 2 meter version with a boom length of about 1 wavelength, shown
    [ Hits: 2502 | Votes: 2 | Rating: 5 ]
Antennas : Theory
  • Speedometers SWR Meters and Smith Charts - Have wondered why a Smith chart has such strange grid lines. Believe it or not, there is a logical progression from Speedometers to Smith charts that will make the Smith grid crystal clear.
    [ Hits: 479 | Votes: 1 | Rating: 5 ]
DX Resources : Beacons : 10 meter beacons
  • AA1TT/B - 28.269 CLAREMONT, NH grid FN33uj
    [ Hits: 416 | Votes: 0 | Rating: 0 ]
  • KB9NK - 10 Meter Beacon - 28.2845 Mhz Location: Jamestown Township, Michigan USA - Grid EN72bu
    [ Hits: 302 | Votes: 1 | Rating: 10 ]
DX Resources : DXCC
  • DXCC List with your beam headings - You can have your persolal DXCC country list with correct beam heading calculated on you grid square location
    [ Hits: 14658 | Votes: 55 | Rating: 7.47 ]
DX Resources : Ham Radio Awards
  • Russian awards for HAMs. - CORA - Cities Of Russia Award, TZA - Time Zones Award, Transsib, Baikal Lake Award, Baikal Winteriada, GLORIA - Grid Locators Of Russia International Award. Look for details at the site.
    [ Hits: 658 | Votes: 1 | Rating: 8 ]
Ham Radio : Clubs : Contest Clubs Operating Aids : Grid Squares
  • US Grid Square Map - A PDF file containing the US grid square map provided by Icom america.
    [ Hits: 5671 | Votes: 15 | Rating: 7.94 ]
Operating Aids : Maps
  • Amateur Radio Map of Italy - Map of italy with amateur radio prefixes and grid squares
    [ Hits: 2428 | Votes: 2 | Rating: 4.5 ]
  • QSO Map - Write down grid squares of your QSOs and this nice online tool will create a World map with all contacts QTH linked to your home QTH. The QSO map picture can be downloaded for resharing.
    [ Hits: 3402 | Votes: 24 | Rating: 6.41 ]
Operating Modes : Meteors
  • Let's talk Meteors - Improve your Grid Totals by W4VHF
    [ Hits: 514 | Votes: 2 | Rating: 10 ]
Operating Modes : QRSS
  • VK6DI QRSS - Weak Signal and QRSS Web page by VK6DI Grid Square OF88cd
    [ Hits: 554 | Votes: 6 | Rating: 9.83 ]
Shopping and Services : RF Tubes
  • The Tube Center - Supplying over 2000 different vacuum tube types, valves, grid caps, sockets and capacitors. It is easy for Antique collectors, Ham radio operators, audio enthusiasts, broadcast enthusiasts and amateur radio hobbyists to buy, sell and trade vacuum tubes, electron tubes, audio tubes, valves, grid caps, sockets and capacitors
    [ Hits: 827 | Votes: 1 | Rating: 10 ]
Software : Grid Bearing and Maps
  • WorkedGrids - Ham Log Mapping software freeware for Windows, displays a map showing the amateur radio grid squares contacted and logged in using a third-party logging program by: Bertrand Zauhar, VE2ZAZ
    [ Hits: 1345 | Votes: 2 | Rating: 10 ]
Technical Reference : Amplifiers Technical Reference : Amplifiers : HF Amplifiers
  • 4CX1500 - This is a 4CX1500B grid driven amplifier that is built like a tank. The unit is considerably over designed as can be seen in the pictures documenting the construction
    [ Hits: 11394 | Votes: 12 | Rating: 6 ]
  • Homebrew HF Amp with 3CX3000F7 - Grounded grid triode HF linear amplifier with pictures and schematics diagrams by W2DTC. The amp design was for 160 80 40 and 20 meters
    [ Hits: 3274 | Votes: 9 | Rating: 6.33 ]
  • Ameritron AL-1200 to gs35b Conversion - The Ameritron AL-1200 Amplifier is in current production. In its factory configuration it uses a single 3CX1200A7 (triode) tube, grounded grid configuration. Re-tubing the AL-1200 with a GS-35b with success.
    [ Hits: 2658 | Votes: 2 | Rating: 4 ]
  • W2DTC Homebew RF Amplifier - Grounded grid, Cathode driven, 3CX3000F7 Triodes
    [ Hits: 2137 | Votes: 3 | Rating: 6.33 ]
Technical Reference : Radio Frequency Interference

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