top band

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top band

96 links - and 1 categories

Antennas : 160M
  • Balcony antenna extension - Balcomy antenna modification to cover top bands, by Harry Lythall SM0VPO
    [ Hits: 5788 | Votes: 5 | Rating: 8.8 ]
  • A Lowband Antenna that is Almost Free - The Shunt-fed Tower, an effective Low Band Antenna, uses your beam as a capacitive top-hat and only needs a simple feed network and a good ground system to work DX on 80M and 160M.
    [ Hits: 18189 | Votes: 4 | Rating: 7.75 ]
Antennas : 2M Antennas : 6M : 6 meter Yagi Antennas Antennas : 80M
  • 80-10 Meters Doublets antennas - All band doublet antenna based on NB6Zep's design and an 88 foot flatop version
    [ Hits: 7691 | Votes: 3 | Rating: 9.33 ]
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: 1199 | Votes: 0 | Rating: 0 ]
Antennas : G5RV
  • 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: 6939 | Votes: 8 | Rating: 7.38 ]
Antennas : Magnetic Loop
  • 160/80m Coaxial Receiving Loop Antennas  pop - Receiving loop antenna for top band. This antenna allow to reduce noise on both bands. The stand alone 80m loop is approximately four feet in diameter. And made of light weight material. Which makes it ideal for portable use or you can mount it above a pre-existing vhf antenna, and due to it's small size it is quite rotatable.
    [ Hits: 63202 | Votes: 58 | Rating: 6.14 ]
Antennas : Receiving Antennas : ZS6BKW
  • ZS6BKW Multiband antenna system - ZS6BKW optimized version of the venerable G5RV and different antenna placement on the roof and terrace by N4SPP
    [ Hits: 2630 | Votes: 1 | Rating: 5 ]
Internet and Radio : Other Resources
  • 160 m DXCC - The largest and most up-to-date rankings of top-banders on the Internet.
    [ Hits: 495 | Votes: 0 | Rating: 0 ]
Internet and Radio : Sounds Operating Modes : Ham Radio Balloons
  • The Kite and Balloon Antenna Site - A complete site for anyone wanting to use kites or balloons for supporting Top Band antenna systems.
    [ Hits: 6577 | Votes: 6 | Rating: 8.5 ]
Operating Modes : NPR New Packet Radio
  • NPR New Packet Radio - IP over 430 MHz - NPR (New Packet Radio) is a custom amateur radio digital protocol, designed by F4HDK to transport bidirectional IP trafic over radio links on the 70cm band. This IP protocol is optimized for point-to-multipoint topology, with the help of managed-TDMA. Bitrate is up to 500kbps. Home Made modem has a built-in ethernet port to connect to PC. To boost power a DMR amplifier is required to reach 20W. This project is an extension of HSMM - Hamnet - AREDN networks
    [ Hits: 58 | Votes: 0 | Rating: 0 ]
Propagation : Resources
  • Topband - 160 meter Radio Propagation - Here you will find a variety of tools which will hopefully help you improve your chances of succeeding at Topband (160 meter) DX.
    [ Hits: 669 | Votes: 1 | Rating: 10 ]
Radio Equipment : Contest Hardware
  • Top Ten Devices - Automatic band decoder, six way antenna relay, band reject coaxial stubs and more. Top Ten Devices is a two-man company formed in 1991 by N3RD and W2VJN.
    [ Hits: 1429 | Votes: 0 | Rating: 0 ]
Shopping and Services : CB Radio Stores
  • Thomas distributing - Discount CB & Accessory Distributor. Top Brands such as Cobra, Uniden, Midland, Galaxy, Solarcon, Bandit, Pyramid, Wilson, Superstar, Palomar, Nortstar, President, Dosy, Paradynamics, K40, Nemarc, Road Noise, Astatic, Turner, Telex. Best Prices and exceptional service. 21 Years serving the Communication Trade.
    [ Hits: 22612 | Votes: 22 | Rating: 5.82 ]
Software : DSP
  • WD6CNF DSP Filter - Audio Digital Filter, two bandpass filters, three notch filters, two noise filters graphical setting of filter center frequency and bandwidth Drag vertical lines on top of signal, Microphone input, speaker output Mono, 5 kHz bandwidth
    [ Hits: 4612 | Votes: 2 | Rating: 10 ]
Technical Reference : Radio Frequency Interference : BPL
  • VK5VKA 's non technical bpl/plc information - VK5VKA page contains general information and comment on "BPL" (Broadband over Power Lines) or as it is known elsewhere "PLC" (Power Line Communications).
    [ Hits: 346 | Votes: 0 | Rating: 0 ]
Technical Reference : TVI Filters
  • TVI and BCI Filters - TVI and BCI bandpass and bandstop filters in SMD technique. Schematics and images.
    [ Hits: 4197 | Votes: 6 | Rating: 5 ]

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