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2 messages, 7 photos added in the last 7 days
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  • Re: Successful 10,21km 850nm LOS two-way QSO

    One really interesting thing I forgot to mention, was the strange short reflections we got during the FSK441 QSO. They reminded me reflections you would get

    iami78 4 hours ago
  • Successful 10,21km 850nm LOS two-way QSO

    THz greetings fellows! Markus (OH1MN) and I (OH1SDR) established LOS 10,21km optical contact at 850nm. The design & build of the two transceivers used in this

    iami78 1 day ago
  • Fresnel Lenses

    Rymans, the stationers, stock large (A4?) page magnifiers made by Helix at £4.29 including VAT 73 Barry, G8AGN Rymans, the stationers, stock large (A4?) page

    chmbrsbrry 2 months ago
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Group Description

This group is dedicated to amateur experimentation and communication using nanowaves, e.g. visible light, infra-red and ultra-violet radiation.


LH photo: Red Luxeon 3 LED seen over 10km path

Middle photo: G0EWN/P in action

RH photo: Laser pointer reflected from water over 600m path

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