design

design

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• KK5BL How To Build A G5RV Antenna - How to build a G5RV Transmitting antenna Originally posted to the packet bbs system by KC6CFF. The G5RV is an easy-to-build 80-10 dipole requiring no traps. All bands are covered, including 30, 17, and 12. The G5RV has high SWR, by design, on most bands and a tuner is required
  [ Hits: 25188 | Votes: 7 | Rating: 6.15 ]

• 9 element yagi for 2 meters band  ^pop - A simple design of a 9 elem. yagi antenna for 2 meters band
  [ Hits: 53444 | Votes: 263 | Rating: 5.23 ]

• ZZ Wave Net - ZZ Wave Net is a 40 & 80 meter full wave loop designed to fit on a city lot. ZZ Antenna is a folded dipole bent into an inverted V loop
  [ Hits: 9896 | Votes: 11 | Rating: 6.55 ]

• A Vertically Polarized Delta Loop for 40m - Practical contruction and designing notes of a delta loop for the 40 meters band
  [ Hits: 20492 | Votes: 16 | Rating: 3.14 ]

• G5RV multi-band antenna - Multi-band centre-fed antenna capable of very efficient operation on all HF bands, specifically designed with dimensions which allow it to be installed in gardens and other open spaces which accommodate a reasonably-straight run of 31.1m (102 ft) for the flat-top standard model.
  [ Hits: 7302 | Votes: 8 | Rating: 7.38 ]

• Plumbers Delight J Pole Antenna Project - This article was reprinted to assist new hams at building their own 2 metre antenna. This design is very rugged and can be built for a few dollars with most of the parts available at your local Home Depot.
  [ Hits: 5080 | Votes: 2 | Rating: 9 ]

• Moxon equation - Designing moxon rectangles by equation and by model L. B. Cebik, W4RNL
  [ Hits: 2304 | Votes: 2 | Rating: 5.5 ]
• N2YET- Moxon projext - Design that can be mounted on a mast underneath an existing beam.
  [ Hits: 2468 | Votes: 8 | Rating: 10 ]
• W6NL 40m Moxon Yagi - Designed and built by W6NL looks like a loaded yagi this 2 element moxon antenna offer 6dbi
  [ Hits: 4644 | Votes: 11 | Rating: 4.91 ]

• A Portable Multi-Band Magnetic Loop Antenna  ^pop - Described here is a simple multi-band magnetic loop antenna designed for 20, 30 and 40 metres, but by changing the overall length of the wire coverage of other bands is feasible
  [ Hits: 34659 | Votes: 12 | Rating: 6.33 ]

• AA9PW.com FAA and FCC Exam Practice - home of the AA9PW exam practice pages.This site is designed to allow you practice for the following FCC Radio and FAA Aviation licensing exams.
  [ Hits: 3699 | Votes: 10 | Rating: 7 ]

• Telstar Electronics - Telstar Electronics has been designing and manufacturing premium electronic products since 1995. Makers of VoiceMax Transceiver Speech Processor and SkyWaveDX350
  [ Hits: 4975 | Votes: 43 | Rating: 7.93 ]

• ASTER Teleservices - Telecommunication Infrastructure jobs including the Tower and Foundation design
  [ Hits: 1107 | Votes: 16 | Rating: 5.43 ]

• ERP Calculator Plus - ERP Calculator is an Amateur Radio software utility designed to perform a side-by-side comparison of two Ham Radio antenna systems. ERP Calculator comes pre-programmed with data files including published data for several popular brands and types of coax cable as well as several popular antenna system brands and models. ERP Calculator displays values of ERP, Antenna Power Gain, Antenna Feed point Power, Antenna System Gain in dB, Antenna Gain in dBd, SWR Attenuation in dB, SWR Power Attenuation, Coax Loss in dB, and Coax Power Loss
  [ Hits: 3002 | Votes: 9 | Rating: 5.11 ]
• AC6LA MoxGen - MoxGen will show you the dimensions and generate an antenna model file for a 50 ohm Moxon Rectangle antenna, given the design frequency and wire size
  [ Hits: 4856 | Votes: 14 | Rating: 6.71 ]

• Big Fat Tail Productions - PocketSat is a full-featured satellite tracking application for PalmOS and PocketPC devices. It is designed to be usable by both experienced satellite trackers as well as novices who are interested in knowing when they can simply look up and see satellites.
  [ Hits: 6753 | Votes: 11 | Rating: 4.55 ]

• MorseGen - MorseGen is a simple program the purpose of which is to generate Morse Code at whatever speed you feel comfortable reading, for practice purposes. It wasn't designed to be a tutor for those who know no Morse at all, although you might find it useful for that purpose. It doesn't have a feature for sending small character groups over and over, although this can easily be achieved by creating text files containing the character groups you want to practice.
  [ Hits: 2228 | Votes: 1 | Rating: 6 ]

• Ferrite information - Ferrite Toroidal Cores, Magnetic Properties of Ferrite Materials, EMI - RFI Suppression Design Considerations, Ferrite Beads, Ferrites for RFI Ferrite Cores for RFI Suppression by CWS ByteMark
  [ Hits: 13700 | Votes: 4 | Rating: 5 ]

• 80m SSB & CW transceiver - The 80m SSB & CW transceiver design is based on an already proven concept used in ATLAS amateur transistorised transceivers from 70's
  [ Hits: 10776 | Votes: 16 | Rating: 5.19 ]

• 144 MHz preamplifier with BF981 - Design of a preamplifier for 144 MHz with 1 dB NF and 23 dB gain using BF981. This amplifier is using a low cost silicon MOSFET (BF981 from Philips) to give more than 20 dB gain with around 1 dB noise figure on 2 meter.
  [ Hits: 17963 | Votes: 28 | Rating: 5.82 ]

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