[Laser] 5 mW lasers & LEDs

[Steve J. Noll]

Hi Steve,

You're absolutely right! Guess I read that too fast.
Thanks for the link. Looks like a lot of good work has been done since I got out of it.
Still figuring out what I want to do. Would at least like to get some locals interested in using this during contests.

73,
Steve WA6EJO


On 11/1/2013 5:32 AM, steve kavanagh wrote:
> Steve
>   
> The way I read the ARRL contest rules, the 5 mW limit only applies to lasers:
>   
> " Laser usage is restricted to ANSI Z136 Class I, II, IIa, and IIIa (i.e.; output
> power is less than 5 mW)."
>   
> So if you go with LEDs, you are ok up to 1.5 kW, I think !  As you may be aware, most of the long distance stuff nowadays is being done with power LEDs with focusing lenses  - KA7OEI's website is an excellent example:
>   
> http://modulatedlight.org/optical_comms/optical_index.html
>   
> I recall reading some of your articles way back.....glad to see you are back at it again !
>   
> 73,
> Steve VE3SMA