Showing posts with label 481 THz. Show all posts
Showing posts with label 481 THz. Show all posts
29 Jul 2024

Optical DXing over the horizon

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Some years ago, when I was fitter, I really used to enjoy going out in the car to experiment with non line-of-sight optical beaconing. I wou...
17 Dec 2023

481 THz testing

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If this photo has been on recently, please accept my apologies.  For some reason, my XYL laughs when this appears. As a geek, I cannot under...
9 Dec 2023

481 THz RX

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  This is me resurrecting some 481 THz optical gear.
28 Aug 2023

Optical Experiments

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One of the fallacies going around is that optical communication is just "line-of-site" and that both the TX and RX have to be able...
24 Apr 2023

Plans for Monday

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My 481 THz test software and lead are my priority. When I did the optical tests way back more than 10 years ago PCs had separate mic and hea...
26 Mar 2023

481 THz tests

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I have resurrected my optical gear. It had stood largely unused for 10 years. As yet, I have not got Spectran working with the optical RX so...
14 Mar 2023

481THz optical beacon tests

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This popped up as a Facebook memory yesterday. It is some years since I last did optical tests over the horizon. In the near future, I want ...
9 Mar 2023

481 THz optical experiments

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It is many years since I used my optical gear. As mentioned previously, I want to check it all works, download Spectran 2 and do some local ...
6 Mar 2023

Upcoming optical tests on 481 THz

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It is years since I did optical experiments. My current plan is to do some local tests with QRSS bouncing off buildings. If these are succes...
3 Mar 2023

481THz tests

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These days I am just too wobbly to do optical tests "out in the field". However Bernie G4HJW has offered to put up an optical bea...
4 Feb 2023

Early optical experiments

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This was a whole 11 years ago. Later, I went on to much further over the horizon.
8 Jan 2023

481 THz "over the horizon" communications

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Since my 2013 stroke, I have felt too wobbly to do field work. One of my great pleasures was trying optical communications over the horizon ...
13 Nov 2022

Optical experiments

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One of my Facebook memories today was an ARRL publication of 2019 called " The Proceedings of Microwave Update 2019 " in which I a...
6 Oct 2022

Optical communications 2012

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10 years ago I got 3 phlatlights from the USA with the intention of doing more "over the horizon" (NLOS) optical tests at 481 THz....
3 Oct 2022

481 THz optical communications

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Before my 2013 stroke, I used to do a lot of portable tests on optical communications. My favourite activity was over the horizon optical co...
20 Apr 2022

Geek?

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OK, I admit it. I am a geek!  This was me in 2013 testing my 481 THz optical kit in the garden. I don't think the neighbours were looki...