micro 40

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micro 40

15 links

Antennas : Capacitive

  • Microvert Antenna for 40m by ON7IR - A mircovert antenna assembled for the 40m version of the DL7PE antenna. A one meter long aluminum tube with 24mm diameter is used for the base (element 1) and a 50cm aluminum tube with 20mm diameter for element 2 (the extention). A pvc pipe, 34cm long and with a diameter of 38mm, is used to wind the coil on (1mm enamelled copper wire).
    [ Hits: 149 | Votes: 0 | Rating: 0 ]
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: 10958 | Votes: 32 | Rating: 3.82 ]
DX Resources : Beacons : 10 GHz Beacons Operating Modes : Satellites
  • 9H1LO Stanley - Satellites and Oscar 40, Microwave and ATV
    [ Hits: 1031 | Votes: 9 | Rating: 9.45 ]
Operating Modes : VHF UHF
  • 40 MHz 8m Band Amateur Radio Exploration - The 8m ISM band, a unique frequency range between 10m and 6m, holds potential for amateur radio enthusiasts, yet it remains largely unallocated. This spectrum offers fertile ground for research and self-training. The author's experience with low-power transmissions and WSPR testing highlights the band's capabilities and the need for a narrow, speech-free amateur allocation to encourage experimentation. Discover the world of 8m ISM radio exploration and its future possibilities.
    [ Hits: 72 | Votes: 1 | Rating: 8 ]
Radio Equipment : HF Transceivers : Yaesu FT-817
  • FT-817 Audio Speech Compressor: Boosting Signal Power with SSM2165 - Designed for the FT-817, this audio speech compressor, centered on the Analog Devices SSM2165, offers a 40 dB compression range, enhancing signal power. Built externally with the SMD version to preserve warranty, the circuit interfaces smoothly with electret microphones. Testing shows a 6 dB average power increase. Adaptable to rigs with electret microphones, it maintains unity gain and 40 dB compression.
    [ Hits: 59 | Votes: 0 | Rating: 0 ]
Radio Equipment : Microphones : Yaesu MD-100
  • Yaesu MD-100 - Official Yaesu UK page dedicated to the popular Yaesu MD-100 A8X Base Station Desktop Dynamic Microphone especially designed for the FT-1000MP and FT-900 FT-747, FT-757GX, FT-840, FT-890, FT-990, and FT-1000
    [ Hits: 407 | Votes: 2 | Rating: 3.5 ]
Radio Equipment : Radio Manuals
  • Cushcraft R7 Manual - Manual for R7, 10 12 15 16 20 30 40 meters band antenna
    [ Hits: 8262 | Votes: 29 | Rating: 6.07 ]
Software : Utilities
  • HERALD P2P radio link design - Sw tool to design point-to-point multi-hop microwave links and networks, 400MHz to 58 GHz. Site/Hop Configuration; Customized Antenna & Radio Equipment Libraries; Link Budget; Path Profile Analysis ,clearance, reflections; import path profiles from SRTM maps, free download.
    [ Hits: 576 | Votes: 5 | Rating: 6.8 ]
Technical Reference : Antenna Rotator
  • ZL1BPU Rotator Controller - The ZL1BPU Rotator Controller has been designed as an add-on unit for the popular Kenpro KR-400 and Yaesu G-400 rotators. The controller consists of a small circuit board which fits inside the rotator control box
    [ Hits: 627 | Votes: 0 | Rating: 0 ]
Technical Reference : Keyers
  • The Classic Micro TO Keyer - K8CU builds a classic 1967 QST semiconductor project during the 40th anniversary year of the original project publication.
    [ Hits: 1126 | Votes: 1 | Rating: 10 ]
Technical Reference : QRP Projects
  • The VK3YE Micro 40 DSB Transceiver - AA7EE QRP DSB transceiver homebrew project
    [ Hits: 1664 | Votes: 2 | Rating: 5 ]
  • The VK3YE Micro 40 DSB Transceiver - A hombrew QRP transceiver for 40 meter band with many pictures, circuit and sound recording of some QSOs made with this Rig consisting of 5 transistor and one chip.
    [ Hits: 975 | Votes: 1 | Rating: 10 ]
Technical Reference : Radio Mods
  • Kenwood TM-201 401 mod - Kenwood TM-201/401 Increased TX Audio, mod for microphone gain
    [ Hits: 574 | Votes: 3 | Rating: 5.67 ]
Technical Reference : Software Defined Radio : RTLSDR
  • RTL-SDR and GNU Radio - A great page about RTL-SDR and GNU Radio with Realtek RTL2832U [Elonics E4000/Raphael Micro R820T] software defined radio receiver.
    [ Hits: 491 | Votes: 3 | Rating: 4 ]

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