[time-nuts] Thunderbolt antenna

Flemming Larsen oz6oi at yahoo.dk
Sun Mar 10 15:02:25 EDT 2013


Also available from Times Microwave in 75 Ohm. Google LMR400-754.9 dB per 100 ft. @ 1.5 GHz.

-- FL

--- Den søn 10/3/13 skrev Mike S <mikes at flatsurface.com>:

Fra: Mike S <mikes at flatsurface.com>
Emne: Re: [time-nuts] Thunderbolt antenna
Til: time-nuts at febo.com
Dato: søndag 10. marts 2013 11.22

On 3/10/2013 12:04 PM, Peter Gottlieb wrote:

> RG-59        10.4 dB/100 ft
> RG-6            8.4 dB/100 ft
> Heliax          7.4 dB/100 ft         FSJ1-50A
> RG-11          5.7 dB/100 ft
>
> (Yes, I'm aware of the impedance differences)

I used LMR-400.  5.1 dB @1.5 GHz /100 ft, 90 dB shield.

And, it's 50 ohms.



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