sota

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sota

88 links - and 2 categories

Antennas : 23cm
  • Yagi antenna for 23 cm - Homebrew 23 cm 12 element Yagi Antenna based on the DL6WU design. This articles include several pictures of the yagi antenna along with detailed element size and spacing.
    [ Hits: 159 | Votes: 0 | Rating: 0 ]
Antennas : 2M
  • Coax Dipole for 2 meters band - A homebrew 2m 144.2 MHz vertical 1/2 wave Coaxial Dipole antenna project for your home QTH, SOTA, portable field operations/WICEN exercises or the emergency 2m Go-box. Elsewhere in amateur radio circles this antenna is known as a 2m Flower Pot Antenna
    [ Hits: 248 | Votes: 3 | Rating: 6 ]
  • Portable Coaxial Dipole Flower Pot Antenna - A homebrew 2m 144.2 MHz vertical 1/2 wave Coaxial Dipole antenna project for your home QTH, SOTA, portable field operations/WICEN exercises or the emergency 2m Go-box. Elsewhere in amateur radio circles this antenna is known as a 2m Flower Pot Antenna
    [ Hits: 103 | Votes: 1 | Rating: 8 ]
Antennas : 40M : 40 meter Vertical Antennas
  • Shortened 40 meter Vertical for POTA SOTA - Build A Shortened 40 Meter Vertical antenna For POTA / SOTA Activations. A project for a portable wire antenna for 40 meters band suitable for POTA or SOTA operations.
    [ Hits: 124 | Votes: 1 | Rating: 10 ]
Antennas : End-Fed
  • Testing End Fed Long Wire Antenna - Testing a 27.2 metre end fed long wire antenna,used for SOTA activations placed as an inverted V. The author reports in this article an on the field practical result.
    [ Hits: 165 | Votes: 0 | Rating: 0 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • Trapped five band EFHW SOTA antenna - A trapped multi band end-fed-half-wave antenna for 40/30/20/17/15m.
    [ Hits: 424 | Votes: 1 | Rating: 10 ]
  • End fed half wave antenna 40/30/20m - For my SOTA activities, i recently bought a QRP transceiver QRP SW-3B, which is a three-band QRP CW only for 40/30/20 m. So, i needed an antenna that would allow to use these 3 bands in SOTA portable activity. Already having some experience with the EFHW antenna, i decided to build one for 40/30/20m.
    [ Hits: 167 | Votes: 0 | Rating: 0 ]
Antennas : Microwave
  • 13cm Bi-Quad Antenna - A homebrew 2.4 GHz bi-quad antenna for SOTA. Includes several pictures about assembling parts, a list of material and dimensions.
    [ Hits: 112 | Votes: 1 | Rating: 10 ]
Antennas : Portable
  • The 2BD beam antenna for 20 meters - A light portable 2 element Delta beam antenna for 14 MHz. It is basically a two element delta loop wire antenna made for portable usage providing good directivity and a 4.2 dBd gain
    [ Hits: 183 | Votes: 1 | Rating: 8 ]
  • 2m Lightweight Portable Dipole - Lightweight portable QRP 2m & 70cm half wave dipole for SOTA or an emergency antenna for the 2m and 70cm Go-box.
    [ Hits: 174 | Votes: 1 | Rating: 9 ]
  • 144 MHz 2m dipole for SOTA - Simple 144 MHz 2 metre dipole for mounting on a telescopic fishing pole
    [ Hits: 258 | Votes: 0 | Rating: 0 ]
  • Portable VHF UHF Dipole Antenna - A SOTA Lightweight Portable 2m 70cm Dipole Antenna Lightweight portable QRP 2m and 70cm half wave dipole for SOTA or an emergency antenna for the 2m and 70cm Go-box.
    [ Hits: 174 | Votes: 0 | Rating: 0 ]
Antennas : Slim Jim
  • 2m Slim Jim portable antenna for SOTA - Construct a portable 2m Slim Jim antenna for improved HT signal quality. Utilizing 450 ohm ladder line, the design offers flexibility, durability, and easy deployment. Tuning tips and mounting options enhance its efficiency in handheld transceiver communications
    [ Hits: 67 | Votes: 0 | Rating: 0 ]
Antennas : Traps
  • RF Trap Resonant Frequency - RF traps for a lightweight 40/30/20/17/15m inverted V dipole antenna for SOTA purposes and how you can use a modern antenna analyser to find the resonant frequency of a HF trap.
    [ Hits: 199 | Votes: 0 | Rating: 0 ]
Antennas : Tuners
  • A Versatile SOTA Antenna Tuner - This is a detailed, technical piece, intended mostly for makers and more creative activators, who enjoy building and using their own tools on the summits. A multiband portable antenna tuner supporting 10W, small and light, suitable for SOTA operations
    [ Hits: 262 | Votes: 2 | Rating: 10 ]
DX Resources : Ham Radio Awards
  • MOTA Mines On The Air - Like SOTA, Summits On The Air, Mines On The Air (MOTA) is an opportunity for Ham Operators to get out, enjoy our hobby and bring others (spotters) along for the ride. It is meant to promote the hobby, enjoy the world around us and bring a bit of history into our lives.
    [ Hits: 122 | Votes: 0 | Rating: 0 ]
DX Resources : Log Analysis
  • ADIF Processor Map QSOs with Google Earth - The ADIF Processor is an online application that visualizes amateur radio contacts from an ADIF log file using Google Earth. SOTA CSV log files can also be used. As well as allowing you to view and explore your contacts in Google Earth, you will be able to see a Markdown or text table of contacts, use the output ADIF file which contains QRZ.com data, accurate contact distances and fields populated from comments in the input file. Print QSL labels. One of the benefits of using the ADIF Processor before uploading/storing your ADIF file is detecting errors in callsigns and activity references (e.g. POTA or SOTA references).
    [ Hits: 392 | Votes: 3 | Rating: 7 ]
DX Resources : SOTA
  • SOTA Associations - SOTA is continually growing with new Associations regularly coming on board. Click on an Association to find out more information, access the Association Reference Manual (ARM) and view its regions and qualifying summits.
    [ Hits: 49 | Votes: 0 | Rating: 0 ]
Operating Modes : Portable Operations
  • PD Powerbank for SOTA Radios - This post describes how the newish Power Delivery (PD) mode mobile powerbanks can be used to power a SOTA transceiver as well as keeping your other hiking devices charged.
    [ Hits: 144 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Yaesu FT-857

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