Re: LF: Re: Re: RE: Noise cancelling by using optic transmission of RX signals

[Andy Talbot <andy.g4jnt@googlemail.com>]

Just yet-another case of a poor soul being taken over by the Health
and Safety Police.

Andy
www.g4jnt.com

This email has been scanned for damaging side-effects by the health
and safety police, has been declared politically correct and contains
no substances considered to be a hazard to health.  It may, however,
contribute to dissolving the polecaps.



2009/12/18 mal hamilton <g3kevmal@talktalk.net>:
> Radio Amateurs BEWARE - Appliance Operators DO NOT TOUCH
>
> G3KEV
>
>
> ----- Original Message -----
> From: "Ken" <ken.h.wright@btinternet.com>
> To: <rsgb_lf_group@blacksheep.org>
> Sent: Thursday, December 17, 2009 10:43 AM
> Subject: LF: Re: RE: Noise cancelling by using optic transmission of RX
> signals
>
>
>> Optical fibres are fine for transmission and remove all the problems of
>> interference and cross talk at a stroke, but please be careful and observe
>> optical safety precautions when using lasers and other light sources. I
>> worked on optical systems for many years during my time with BT, and
> optical
>> safety took priority over every thing else. All optical fibres need to
> have
>> a perfect cleave on the ends, and the connectors  be absolutely clean, if
>> you are not launching into an optical connector then alignment will be a
>> problem, similarly at the receive end.
>>
>>