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• 160m double L antenna - Planning and modeling a special L antenna for Top Band
  [ Hits: 1138 | Votes: 0 | Rating: 0 ]

• Delta Loop for HF - Planning and modelling Delta Loop antennas for all the ham radio HF bands include calculated wire lengths at each mid-band
  [ Hits: 2049 | Votes: 5 | Rating: 5.8 ]

• About Common Mode Choke - A general article on CMC, common mode choke include a description and tipical usage.
  [ Hits: 886 | Votes: 0 | Rating: 0 ]

• Modeling the T2FD - Modeling the T2FD, tilted folded dipole antenna
  [ Hits: 582 | Votes: 2 | Rating: 8.5 ]

• Using MMANA-GAL for antenna modelling - G0KYA MMANA-GAL presentation and samples
  [ Hits: 588 | Votes: 5 | Rating: 4.8 ]

• T-MATCH ATU - T-Match Network Antenna Tuner for a wide range of complex antenna loads between 1.8 and 30Mhz at moderate power levels by VK6YSF
  [ Hits: 902 | Votes: 0 | Rating: 0 ]

• GC Telecomar - Maker of Smart Tracker, APRS Beacon, APRS Tracker, packet radio modem, aprs telemetry interface module
  [ Hits: 572 | Votes: 1 | Rating: 1 ]

• Xggcomms Icom Yaesu CAT Interfaces - Xggcomms specialise in producing cost effective, high quality CAT and Audio interfaces for Icom and Yaesu Amateur Radio Equipment. Our interfaces are fully compatible with a large range of CAT and Digital Mode control software.
  [ Hits: 325 | Votes: 0 | Rating: 0 ]

• HSMM Experiments on the 6M Amateur Band - Progress Report on VHF OFDM Modem submitted by John B. Stephensen, KD6OZH ARRL Pdf file
  [ Hits: 788 | Votes: 0 | Rating: 0 ]

• Digital Modes - Getting Started in PC Soundcard Digital Radio, basics of amateur radio digital modes
  [ Hits: 552 | Votes: 1 | Rating: 6 ]

• Hell Formats - Here is a simple definition of all the Hellschreiber modes
  [ Hits: 344 | Votes: 0 | Rating: 0 ]

• Baycom modem schematic - A 1200 baud Baycom modem schematic by SP3EJJ
  [ Hits: 868 | Votes: 2 | Rating: 7.5 ]

• Yaesu FT-817 review by G3XBM - Yaesu FT817 all band, all mode handheld transceiver article.
  [ Hits: 772 | Votes: 0 | Rating: 0 ]

• DroidSSTV - DroidSSTV lets you transmit and receive amateur radio (ham radio) slow scan TV (SSTV) on your Android Smartphone or Android tablet. This communications app is a great tool for portable amateur radio SSTV operation. Just connect your Android phone or tablet to an HF radio, tune on to an SSTV frequency, and watch the pictures scroll onto the screen. DroidSSTV supports the modes Scottie 1, Scottie 2, Scottie DX, Martin 1, and Martin 2 at this time.
  [ Hits: 698 | Votes: 6 | Rating: 9.17 ]

• Yagi Optimizer - YO Yagi Optimizer by K6STI is an old MSDOS based antenna modelling software that has been very popular among ham radio community. YO.exe is still today used to optimize Yagi Antennas.
  [ Hits: 1865 | Votes: 10 | Rating: 7.8 ]

• idealCircuit - IdealCircuit is an analog circuit simulator working with true ideal components. It uses exactly the same unique and robust algorithm as NL5 Circuit Simulator. Simple and intuitive interface, fewer components and models, no fancy and powerful features that are only useful for specialized applications.
  [ Hits: 465 | Votes: 0 | Rating: 0 ]

• The Pecker - The Pecker is a software application that emulates an existing hardware amplifier tuning aid operated in SSB mode as apposed to CW or AM. As such no carrier is used by G7EIX
  [ Hits: 834 | Votes: 6 | Rating: 10 ]

• Experimental 2 Mbit modem - Description of a 2 Mbit Modem project
  [ Hits: 284 | Votes: 0 | Rating: 0 ]

• RS232 serial cables pinout - Null Modem cable with loop back handshaking
  [ Hits: 321 | Votes: 0 | Rating: 0 ]

• Common mode current - Balanced and Unbalanced Systems
  [ Hits: 285 | Votes: 0 | Rating: 0 ]

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