LF: Re: Laser link...

[Minto Witteveen <minto.witteveen@gmail.com>]

..but don't forget the restraining orders for those pesky qrm generating 
neighbours in a 300 meter radius...
Minto pa3bca



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Ceterum censeo Carthaginem delendam esse
-----Original Message----- 
From: mal hamilton
Sent: Monday, October 10, 2011 15:18
To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: Laser link...

Stefan es Friends
If you need all these add on gadgets for LF es MF  ie lazers, fm repeaters,
carrier pigeons then the Cause is Lost.
Concentrate instead on proper LF Antennas, Sensitive receivers and plenty of
RF, this way and you will achieve the object!!
g3kev



----- Original Message -----
From: "Johan H. Bodin" <jh.bodin@telia.com>
To: <rsgb_lf_group@blacksheep.org>
Sent: Monday, October 10, 2011 5:19 AM
Subject: Re: LF: Laser link...


> Hi Stefan,
>
> Clint Turner http://ka7oei.com/ has interesting information on his
"optical
> communications page"
http://modulatedlight.org/optical_comms/optical_index.html.
> Linear's design note DN399 about photodiode amplifiers may also be worth
reading
> http://cds.linear.com/docs/Design%20Note/dn399f.pdf (it uses a BF862 FET
which I
> think is already one of your favourites).
>
> Oops... 650nm wavelength is perhaps O.T. on this reflector.
>
> 73
> Johan SM6LKM