928 links - and 1 categories

Antennas : Horn
  • A Horn Antenna for 2.4 GHz. - This Antenna is not really practical for AO-40 reception, but horn antennas have a number of qualities useful in microwave antenna testing and noise figure measurements.
    [ Hits: 10708 | Votes: 32 | Rating: 3.82 ]
Antennas : Multiband
  • Multiband yagi antenna plan - F6CHT plan for a multiband yagi antenna that covers 6 to 30 meters band in french
    [ Hits: 2483 | Votes: 9 | Rating: 5.78 ]
Antennas : Quagi
  • Quagi Designer - Quagi antenna design, this little windows application let you calculate dimensions of elements and spacing of a quagi antenna. Freeware by VE3SQB
    [ Hits: 5236 | Votes: 23 | Rating: 5.08 ]
Antennas : WiFi
  • Mobile 2.45Ghz antenna - A prototype 2.45ghz antenna for mobile use. This antenna has been u sed for surveying signal strength using a variety of free wlan tools.
    [ Hits: 5901 | Votes: 9 | Rating: 5.33 ]
  • 2.4GHz Cubic Quad Antenna  pop - The Cubic Quad antenna is a commonly homemade antenna in the range of about 150 odd MHz. Our little project was to design one of these for use in the 2.4GHz range for 802.11 wireless LANs.
    [ Hits: 36411 | Votes: 67 | Rating: 5.56 ]
Contesting : Software
  • ARIDX by UA1AAF - At the moment the most used program is UA1AAF. It is an excellent program written by Boris, UA1AAF, to handle ARI International DX Contest. It can simulate K1EA or N6TR workings; it will be possible to connect the RTX to the computer using a standard interface in such a way as to transmit directly in CW from the keyboard; most of the controls are like K1EA's CT and N6TR's TR ; on line help provides almost all the information necessary for using the program. Is possible to insert QSO after the contest. An appropriate utility in included for conversion in ADIF format. The program is very small and therefore works without any problems on any IBM compatible computer with DOS 3.3 and over or Windows 95/98.
    [ Hits: 1327 | Votes: 4 | Rating: 5.50 ]
Ham Radio : Personal Pages : Europe
  • F8BDX Jose - Le radioamateurisme,le qrp,l elecraft k2, antennas,qrp,schemas,manuals,nostalgia, meteo,dx clusters hf, and contests links in french
    [ Hits: 339 | Votes: 1 | Rating: 9.00 ]
Internet and Radio : Web Cams
  • WB9KMO Webcam - Live Webcam with Free Chat. Watch Tuesday nights after 7:30pm Pacific Time for our SBARC and ATN ATV Nets. From Santa Barbara CA. USA
    [ Hits: 859 | Votes: 2 | Rating: 6.00 ]
Manufacturers : Accessories
  • BHI Ltd - Noise eliminating products. Remove unwanted background noise and interference leaving only the speech. Clear communications, listen stress free. Dsp noise cancellation solutions.
    [ Hits: 695 | Votes: 1 | Rating: 10.00 ]
Manufacturers : Towers and Accessories
  • Universal Towers - Freestanding aluminum towers manufacturer
    [ Hits: 3269 | Votes: 8 | Rating: 7.38 ]
Shopping and Services : Parts & Surplus
  • Army Radio Sales  pop - Devoted to all sorts of military radios and their hardware, as well as other interesting military items, and military vehicles. Army Radio Sales website contains a wealth of free information on military radios and military vehicles, as well as on-line manuals, your very interesting articles, thousands of pictures, as well as a fully automated free classifieds advertising section to advertise your needs.
    [ Hits: 21599 | Votes: 16 | Rating: 6.44 ]
Shopping and Services : Regional : Asia
  • CQ Shop Ham Radio Store Hong Kong  updated - Hong Kong's only full-service amateur radio store. Full line of Amateur Radio and Two-way equipment and accessories from companies such as Yaesu, Icom, Kenwood, Motorola, MFJ, Alinco, Diamond, AOR and many, many more. Knowledgeable staff with many years of experience in the radio business TAX-FREE shopping (no sales, VAT, GAT or other taxes) HF, VHF, UHF transceivers, receivers, walkie-talkies, antennas, antenna tuners, coax and connectors
    [ Hits: 8857 | Votes: 14 | Rating: 4.58 ]
Software : DSP
  • SignalGen - SignalGen is a free (GPL) Linux (Xwindows GUI-based) utility that generates relatively low frequency signals with the use of a PC sound card. It is an entirely suitable replacement for a hardware signal generator if one doesn't require signals of a frequency higher than about 50 KHz. SignalGen creates any frequency between a fraction of one Hertz and an upper limit determined by your sound card's capabilities.
    [ Hits: 1631 | Votes: 2 | Rating: 10.00 ]
Software : Linux
  • FFT Explorer - A free (GPL) Linux (Xwindows GUI-based) utility that performs spectral analysis on real-time data from a sound card or other source, and can analyze the spectra of various sound file types. It can also accept data from many kinds of applications in plain-text form by way of the "named pipe" feature of Linux
    [ Hits: 10420 | Votes: 7 | Rating: 5.43 ]
  • LiHaLo : LInux HAm LOgbook - Freeware ham-radio logbook written in PHP, and based on Apache and MySQL, even if developed undex linux has been tested with windows and macosx by on4axv and on5dqz
    [ Hits: 3328 | Votes: 8 | Rating: 6.87 ]
Software : Logging
  • Logger32 for 11m - Logger32 special version dedicated to eleven meters band operations
    [ Hits: 1842 | Votes: 23 | Rating: 8.09 ]
Software : RTTY
  • gMFSK - Linux free multimode HF terminal program. Despite the name, gMFSK can send and receive many digital conversational modes typically used by radio amateurs on HF. Supported modes are: MFSK (MFSK16 and MFSK8) RTTY THROB (1, 2 and 4 throbs/sec) PSK31 (BPSK and QPSK) PSK63 MT63 Feldhell
    [ Hits: 3801 | Votes: 5 | Rating: 9.00 ]
Software : Voice tools
  • IP-Sound  pop - IPSound is a Free application for audio exchange client to client over a TCP/IPv4 network (Lan or Internet). The main purpose for the existence of IP Sound is to provide low quality audio 8-16kHz, with low latency for use together with remote control software for "ham" radio amateur equipment. IP-Sound is developed by SM5VXC.
    [ Hits: 33145 | Votes: 182 | Rating: 6.84 ]
Technical Reference : Preamplifiers
  • 144Mhz preamplifier - A preamplifier project based on Rainer DJ9BV project, in french
    [ Hits: 3165 | Votes: 2 | Rating: 7.50 ]
Technical Reference : Software Defined Radio
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