qsl design
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Antennas : 2M- Squarooka Antenna - squared bazooka for 2 meters band
- Sort of similar to the one of the 6m omni. Instead of using twin-lead, this design makes use of a more or less regular double bazooka antenna (coaxial dipole). Your attention shall be drawn to the available standart literature, such as Rothammel.
In order to "compute" the dimension, Karl Rothammel mentioned that the total length of the dipole shall be 95% of the free-space wavelength. The short-circuit bridges (closing the folded dipole) are to be placed at a distance-fraction being equal to the velocity factor of the coax cable used, which will be 66% using RG-58 or RG174.
[ Hits: 353 | Votes: 0 | Rating: 0 ]
- 2 element Yagi for 50 MHz
- This 6 meter 2 element yagi antenna is simple, compact and effective antenna for 50 Mhz. The design antenna was optimized with AO for best match to 50 ohms, no matching network. A choke balun is recommended to decouple feedline currents.
[ Hits: 532 | Votes: 3 | Rating: 3 ]
- Bazooka para 40 metros
- A bazooka coax antenna for 40 meters band design by CA6TYS
[ Hits: 687 | Votes: 0 | Rating: 0 ]
- Coil Design
- A page dedicated to antenna coil home brewing and coil design by VE6WZ
[ Hits: 1475 | Votes: 12 | Rating: 5.08 ]
- 6 m JPole Antenna
- Based on original G2BCX design this J-Pole antenna for the six meter band is made with a homemade ribbon cable. The antenna shown in this article includes a coaxial cable choke feed to remove RF currents from flowing on the outer of the cable.
[ Hits: 1767 | Votes: 6 | Rating: 6 ]
- Magnetic Loop for the 2m band
- Such kind of omnidirectional antenna gives the possibility to be QRV with horizontal polarisation, as commonly used for the CW and SSB section of the 2m band. This actual design shows a 1.3:1 bandwidth of about 150kHz, centered to 144.200MHz.
[ Hits: 572 | Votes: 1 | Rating: 10 ]
- Indoor QRP HF Loop Antenna
- A home made magnetic loop for HF Bands. This small and compact loop is designed to support small power transmissions on HF bands, from 7 MHz to 21 MHz
[ Hits: 323 | Votes: 1 | Rating: 10 ]
- ZigZag Antenna - VHF/UHF unconventional antennas
- An unconventional antenna family, the VHF/UHF Zigzag Dipole Antennas. Design, theory and practical construction, transformation and balancing with a half wave balun.
[ Hits: 745 | Votes: 2 | Rating: 8.5 ]
- The C-Pole Antenna
- C-Poles for 20m and 6m, it is a folded half-wave dipole with an asymmetrical tapped 50-Ohm-point in the lower part of the antenna. Design hints by DK7ZB
[ Hits: 932 | Votes: 47 | Rating: 8.3 ]
- W3DZZ - 80 to 10 meter antenna
- A schematic design of the W3DZZ antenna in portugues with description of trap building
[ Hits: 2578 | Votes: 7 | Rating: 6.72 ]
- OH2EC Antenna
- A trapped dipole antenna based on the orignal W3DZZ antenna design resonating on 80 40 20 15 10 meters
[ Hits: 1501 | Votes: 5 | Rating: 8.2 ]
- 3 Element Yagi Antennas for 144 MHz SSB-CW
- A great and efficient monoband VHF portable antenna. The article consist of two version of a 12.5 Ohm 3 elements yagi beam antenna plans for the two meter band, a full sized and a shortened version expecially designed for the SSB and CW on 144 MHz.
[ Hits: 426 | Votes: 4 | Rating: 8 ]
- QSL Label Printing in ClubLog
- Once you have designed your QSL label from the Label Settings screen, you will be able to print QSL labels and address labels from the OQRS requests submitted for your Call or Calls.
[ Hits: 191 | Votes: 0 | Rating: 0 ]
- NYQSL print
- NYQsl.com - Full 2-sided color cards of excellent quality. Individual designs available. Fast turnaround based in NY USA
[ Hits: 325 | Votes: 3 | Rating: 10 ]
- CustomQSL.com
- Custom Designed Photo QSL Cards, Full Color stunning designs, High Quality Printing at competitive Prices. US based QSL designer and printer specialized in custom-designed ham QSL cards.
[ Hits: 340 | Votes: 0 | Rating: 0 ]
- LogHX freeware logger software
- LogHX is a freeware windows ham radio logger software, designed as complete Ham Radio environment. Radio control interface, online log book interfaces, cluster access, adif and cabrillo exports, antenna rotor control, Digital CW and SSB macros, full QSL management
[ Hits: 727 | Votes: 4 | Rating: 9.5 ]
- FSQCall Fast Simple QSO
- FSQ is a Fast Simple QSO mode designed specifically for HF. It works well under NVIS and sunrise/sunset conditions on the lower bands, and also works well for short skip and grey-line on higher bands and can be used also on VHF FM.
[ Hits: 184 | Votes: 0 | Rating: 0 ]
- ZL1BPU Rotator Controller
- The ZL1BPU Rotator Controller has been designed as an add-on unit for the popular Kenpro KR-400 and Yaesu G-400 rotators. The controller consists of a small circuit board which fits inside the rotator control box
[ Hits: 627 | Votes: 0 | Rating: 0 ]
- The EMCOMM Portable Station
- This is a page designed to help the EMCOMM operator thinking of going portable. It will describe a way of having VHF UHF HF voice and digital in one box
[ Hits: 900 | Votes: 2 | Rating: 3 ]
- 432MHz Low Noise Preamp
- An easy to build with a cheap HEMT FET Transistor Low noise preamplifier with FHX35LG based on JH0WJF design
[ Hits: 763 | Votes: 1 | Rating: 10 ]
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