[NLRS] 1.2 GHz Heliax question

Mary Brown maryalanab at gmail.com
Sun Feb 23 15:01:40 EST 2020


Loss chart LDF4-50
https://www.commscope.com/product-type/cables/wireless-transmission-cables/w
ireless-cables/itemldf4-50a/ a preamp at the antenna is a must... 

-----Original Message-----
From: nlrs-bounces at mailman.qth.net [mailto:nlrs-bounces at mailman.qth.net] On
Behalf Of Russ Ramirez
Sent: Sunday, February 23, 2020 1:56 PM
To: nlrs
Subject: Re: [NLRS] 1.2 GHz Heliax question

Jon/Barry, At most 70' if I am able/allowed to go to 50' of tower, or more
like 50' if I have to limit tower to 30'.

Russ
K0WFS

On Sun, Feb 23, 2020 at 1:50 PM Barry Malowanchuk <ve4ma at shaw.ca> wrote:

> As Jon said..how long is the cable run?
>
> Putting TX amplifiers on top of towers is pretty extreme and not 
> recommended unless you want to do EME .
>
> 1/2 LDF or 7/8 LDF is excellent for most ham use. 1296 is pretty 
> amazing for propagation and a few dB of feedline loss is not a big deal.
>
> Barry VE4MA/ W7
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