used ham radio

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Antennas : 2M
  • QM5 Yagi for 2 meters band - The QM5 antenna is a simple 5 elements Yagi with 1.88 m boom length for the lower 144 MHz SSB/MGM band, I used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 9.17 dBd; i.e. 11.3 dB forward gain over the isotropic radiator, while the F/R is about 11.5 dB. Elements
    [ Hits: 6377 | Votes: 4 | Rating: 5.25 ]
  • QM7 7 elements 144 MHz Yagi-Uda Antenna - The QM7 antenna is a simple 7 elements Yagi with 3.70 m boom length for the lower 144 MHz SSB/MGM band, used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 11.35 dBd; i.e. 13.5 dB forward gain over the isotropic radiator, while the F/R is about 12.5 dB
    [ Hits: 5151 | Votes: 15 | Rating: 5.27 ]
Antennas : J-Pole
  • J-Pole theory  pop - The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. It does not need a ground plane, radials or a complicated matching system. The J-Pole can be cheaply, simply and quickly constructed using a variety of techniques, some of which are discussed in this article.
    [ Hits: 29477 | Votes: 24 | Rating: 6.60 ]
Antennas : Quad
  • Cubical Quad Antenna Design  pop - By N6VNG, can be used to determine the element lengths and the gamma match values for different frequencies, includes link to excel files with formulas to dimension your quad antenna.
    [ Hits: 29485 | Votes: 80 | Rating: 5.80 ]
Antique Radios : Buying and selling
  • Boneyard Bluebook - The Non-commercial online Radio Pricing Guide. Used Amateur Radio Prices Seen Various Places
    [ Hits: 1222 | Votes: 1 | Rating: 10.00 ]
DX Resources : DX Peditions
  • Sonsorol Ham Radio Project - Donating funds and used equipments to build a radio station in Sonsorol island
    [ Hits: 359 | Votes: 1 | Rating: 8.00 ]
Operating Modes : Amateur Television
  • ATV-TV.org - Welcome to the Amateur Television Directory, the source for finding sites related to Amateur Television and Ham Radio. Find out where Amateur Television is being used in your state or country.
    [ Hits: 942 | Votes: 1 | Rating: 7.00 ]
Operating Modes : Radio Direction Finding
  • The Adcock HF RDF Antenna - The Adcock antenna has been used for a long time for RDF. It is basically an interferometer.
    [ Hits: 5364 | Votes: 13 | Rating: 6.24 ]
Propagation
  • Radio Wave Propagation - A PDF document, used for ham radio training, that cover all aspects of radio wave propagation
    [ Hits: 1620 | Votes: 8 | Rating: 5.50 ]
Shopping and Services : CB Radio Stores
  • C.C.C.Radio U.K. - CB and HAM radio store, new and used, also trucking accessories stocked.
    [ Hits: 4662 | Votes: 27 | Rating: 7.57 ]
Software : Browser extensions
  • HamToolBar - The Ham addon for Internet Explorer. Fast access to commonly used Ham Radio websites and resorces. Run for Windows 95/98/ME.
    [ Hits: 1902 | Votes: 9 | Rating: 8.89 ]
Software : Databases
  • Frequency Filer - Frequency Filer is database program designed for people who use a great many different radio frequencies. It is primarily intended for amateur radio operators, short-wave listening enthusiasts and scanner users. The program makes it easy to keep all of your important frequency information in one place, displayed in a logical format to facilitate easy retrieval. Frequency information can be displayed as a list and can be viewed on a world globe. Other features include easy data backup and custom field names. Included is database import utility that can be used as a general file conversion utility. The globe display can also be used as general geographic aid for countries, cities, states, rivers, and lakes. You may even find your home town. Windows Shareware
    [ Hits: 3944 | Votes: 6 | Rating: 6.50 ]
Software : Grid Bearing and Maps
  • Radio Distance Software - This is a trivial program which calculates the distance and the bearing between two points. Points are either entered as geogr. data (Latitude/Longitude) or as qth-locator in the Maidenhead format (6 or 8 digits), as used in ham radio. Output is in degrees [] for bearings, in Kilometer [km], US statute miles [mi] or nautical miles [nm] for distance
    [ Hits: 10784 | Votes: 17 | Rating: 6.29 ]
  • HamGrids - Windows application that will allow you to perform calculations with the popular Maidenhead Grid Square system. This grid system is used worldwide by amateur radio operators for many aspects of ham radio.
    [ Hits: 10207 | Votes: 6 | Rating: 6.33 ]
Software : Linux
  • CQRLOG - Advanced ham radio Linux logger based on Firebird database. Provides radio control based on hamlib libraries, DX cluster connection, QRZ callbook, a grayliner, ON6DP QSL manager database support and a most accurate country resolution algorithm based on country tables developed by OK1RR. CQRLOG is strongly focused on easy operation and maintenance.
    [ Hits: 1951 | Votes: 8 | Rating: 7.12 ]
Software : Packet
  • HamServ - Another way of having your own bbs, using AGW Packet engine. HamServ is a TCP/IP Server program that runs under 32 bit windows and offers support for AX25, HTTP, NNTP, POP3, SMTP, and TELNET. Ideally it should be run under the AGW Packet engine, with the add on TCP/IP driver, it then allows for simultaneous connects via the internet and via packet radio, but it can of course be used stand alone, in which case people will be able to connect to it via the Internet.
    [ Hits: 3010 | Votes: 5 | Rating: 4.40 ]
  • UISS Windows UI-Packet Program - Freeware program, special and easy to use packet program for communicating with ISS, PCSat and other 'compatible' sats. Can also be used for basic normal packet.
    [ Hits: 3571 | Votes: 227 | Rating: 8.87 ]
  • SV2AGW Packet Engine Professional - This is a brand new program based on the well Known "AGW Packet Engine/ AGWPE". It is a special Windows utility for amateur radio packet users that interfaces multiple packet programs and multiple TNCs (Terminal Node Controllers) / modems: lets one TNC be used by more than one packet program, lets one packet program use more than one TNC, lets your sound card be used as a physical TNC or modem, no need to buy a TNC , has an optional 'TCP/IP Over Radio' feature that lets you send TCP/IP data sentences via packet to internet gateways
    [ Hits: 2308 | Votes: 3 | Rating: 3.67 ]
Software : Utilities
  • HAMIC - The Ham Intelligent Calculator - HAMIC, is a program designed to simplify a number of calculations commonly used by HAMs. It is designed for the HAM radio hobbyist, but may be useful to others as well. HAMIC has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors in series or parallel, or more complex circuits such as L networks or T networks. As well, other calculations such as SWR and reactance conversions are supported. Windows shareware.
    [ Hits: 1598 | Votes: 2 | Rating: 5.50 ]
Technical Reference : HF Radios
  • 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: 10204 | Votes: 16 | Rating: 5.19 ]
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