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471 links and 2 categories about call on dxzone.com

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Antennas : Feed Lines
  • Transmission Lines - Whenever you choose a coax feedline, the frequency of operation is a very important consideration. Over the operating bandwidth of the coax the VSWR is low, typically 1.2:1 or better. Insertion loss is also an important parameter. It is usually specified in dB/foot and is a linear relationship.
    [ Hits: 1116 | Votes: 0 | Rating: 0.00 ]
Contesting : Software
  • Contest LogChecker - Contest LogChecker is a set of contest tools for Microsoft Windows, combining advanced text editing with keyword highlighted, and the ease and flexibility of import, export, statistics and charting utilities. With LogChecker you can edit, fill in the log, check Cabrillo Format and Header, convert files from the most popular logging software to Cabrillo, print customizable files, calculate statistics and export logs to RTF, PDF or HTML for publishing. You can examine a log in many different ways by highly interactive methods. LogChecker includes a Master Callsign Database tool for managing databases, which have been generated from actual contest logs. Commercial
    [ Hits: 1644 | Votes: 23 | Rating: 9.07 ]
DX Resources : Callsigns
  • Italian Callbook - CallBook OnLine - this callbook includes data from over 50000 italian radio amateurs
    [ Hits: 1376 | Votes: 7 | Rating: 6.57 ]
Ham Radio : Clubs : Australia
  • Auckland ATV Group - The ATV User's Group is a subgroup of the Auckland VHF Group, Club call ZL1BQ, compromising of persons interested in the transmission and reception of Amateur Television
    [ Hits: 623 | Votes: 0 | Rating: 0.00 ]
Ham Radio : Personal Pages
  • VU2LFA ham radio in india - This site is basically for the begeners (SWL) of india. This site is supporting to digital communication for hams also.
    [ Hits: 241 | Votes: 8 | Rating: 7.50 ]
Internet and Radio : Directories
  • K8ZT's Ham Radio Resources - K8ZT's Extensive Ham Radio Resources about QRP, Vanity Callsigns, Software, Maps, Kent State, Shack Design, Argonaut, Sommer, Log Analysis
    [ Hits: 3076 | Votes: 10 | Rating: 5.50 ]
Manufacturers : Accessories
  • CW Buffer, Amplifier & Preamp Sequencer - The AMPSEQUENCER board is an advanced microprocessor driven control board specifically designed to buffer CW key signals while switching the amplifier to transmission, it can also be used to provide proper TX delay timing for RTTY and Pre-Amplifier proper sequencing
    [ Hits: 1020 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Cable and Connectors
  • Micro Coax Priority listing - Serving the defense, telecommunications and test measurement marketplace.
    [ Hits: 437 | Votes: 0 | Rating: 0.00 ]
Operating Aids : Beginner's Guides
  • How to become an amateur radio - How to become an amateur radio ? by ON4SKY Review of general conditions to get licensed, examinations, regulation, CW, foreign calls, and more
    [ Hits: 405 | Votes: 0 | Rating: 0.00 ]
Operating Aids : Grid Squares
  • Areas and squares - List and maps of European squares for each call area. You can use the list, to estimate the location, if you hear a station on the band who's locator you do not know.
    [ Hits: 3882 | Votes: 4 | Rating: 3.50 ]
Operating Aids : Radio Spectrum Operating Modes : Satellites
  • ESA Portal - Calling all radio amateurs Priority listing - Radio amateurs worldwide are being asked to help collect data from the student-built SSETI Express satellite, due to be placed in orbit on 27 September. To encourage them, ESA’s Education department has organised two competitions and is supplying free downloadable software.
    [ Hits: 308 | Votes: 0 | Rating: 0.00 ]
Radio Scanning : Maritime
  • Automatic Identification Systems (AIS) - Automatic identification systems (AISs) are designed to be capable of providing information about the ship to other ships and to coastal authorities automatically.
    [ Hits: 1202 | Votes: 1 | Rating: 1.00 ]
Shopping and Services : Marine Radio
  • Pascall Electronics - Pascall's specialist RF & Microwave division specialise in components for radar, EW receivers, navigation & location equipment, communication and marine safety systems.
    [ Hits: 360 | Votes: 0 | Rating: 0.00 ]
Shopping and Services : Regional : Europe : UK
  • Communication Specialists Ltd - Commercial and Private Two Way Radio Communication equipment manufactured specifically for the United Kingdom, Europe, African, Asian and the USA markets.
    [ Hits: 330 | Votes: 0 | Rating: 0.00 ]
Software : Antenna analysis
  • SmartSmith - A smarter version of the Smith Chart program. It allows you to dynamically generate impedance point plots as you configure each design element of an impedance matching network. Has an extensive Help file with a Wizard that tells you what steps to take in designing a matching network for a given load impedance. Complete Windows installation kit by w9dmk
    [ Hits: 1736 | Votes: 7 | Rating: 1.43 ]
Software : DX Cluster
  • Konfabulator - DX Cluster Priority listing - Freeware windows XP and MacOSX konfabulator widget dedicated to Amateur radio operators, is an easy interface to DX-Summit the ham-radio DX Cluster. DX cluster spots represents live ham radio communication connections, and are an invaluable resource for amateur radio operators. Users can choose Bands or operating modes like digital emissions, QRP IOTA and more. Spots are refreshed automatically and refresh rate can be set by users, with a minimum of 100 seconds.
    [ Hits: 1733 | Votes: 2 | Rating: 9.00 ]
Software : Databases
  • Online Callbook for Internet Explorer - The Online Callbook for Internet Explorer makes it easy to find QSL information from the most popular HAM-radio web sites, such as QRZ.COM, ARRL.ORG, RAC.CA, QRZ.RU, BUCK.COM and OCTAVIA.COM,
    [ Hits: 934 | Votes: 5 | Rating: 7.00 ]
Software : Linux
  • DF9CY Project Auriga - PA is a JAVA software package containing several programs, SW/VHF/UHF Logbook (imports format from RADIOMAN, VMT), Log conversion to HTML format, Import and export functions for RADIOMAN, CT RES files, BV QSL Labels, CSV etc. Internet DX-Cluster support, Keeps track of your worked Callsigns, Checks your worked Grid Squares per band, Databases for worked Grids and Callsigns Uses K1EA CQWW.CTY country file, Easy command line version for terminal operation Moontracking as clock, Pathloss calculation
    [ Hits: 1384 | Votes: 0 | Rating: 0.00 ]
Software : Satellite tracking
  • GrafTrak - Joe Bijou, WB5CCJ, and Richard Allen, W5SXD, are pleased to be able to provide our users and the satellite community with new Y2K compatible versions of Silicon Solutions satellite tracking software. These programs are free to be downloaded and used by anyone
    [ Hits: 1437 | Votes: 0 | Rating: 0.00 ]
Software : Utilities
  • DDS VFO Controller - Control the NJQRP DDS Daughtercard from your PC. The DDS Controller has eight user programmable configurations. Each of the eight configurations have twenty memory cells for saving and recalling frequencies
    [ Hits: 1426 | Votes: 7 | Rating: 3.71 ]
Technical Reference : Radio Frequency Interference
  • Safety: RF awarness guidelines - Although Amateur Radio is basically a safe activity, in recent years there has been considerable discussion and concern about the possible hazards of electromagnetic radiation (EMR), including both RF energy and power frequency (50-60 Hz) electromagnetic fields. This section summarizes what is now known and offers safety precautions based on the research to date.
    [ Hits: 408 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Radio Frequency Interference : BPL
  • Broadband over power lines - PLT/PLC/BPL/DPL - it doesn't matter what you call it said one of our readers it has significant technical problems
    [ Hits: 208 | Votes: 0 | Rating: 0.00 ]
  • PLT trials in Ireland - The Irish Powerline internet trials have begun in a Town called Tuam in North Co, Galway.
    [ Hits: 184 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Test Equipment
  • Rainbow Antenna Analyzer - A small and inexpensive measurement device designed to determine antenna performance across the amateur bands through use of automatically collected SWR readings
    [ Hits: 5404 | Votes: 2 | Rating: 4.00 ]
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