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Re: [Discuss-gnuradio] Moving my antenna
From: |
Sid Boyce |
Subject: |
Re: [Discuss-gnuradio] Moving my antenna |
Date: |
Tue, 29 Jan 2019 20:14:01 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 |
The ANT500 needs 50 Ohm coax - RG8, RG13, etc.
73 ... Sid.
On 29/01/2019 19:51, david vanhorn wrote:
Coax loss can be a big issue.
Given the low power levels you will suffer less loss on a long run
using 75 ohm coax cable which is designed for low loss, even assuming
you do nothing about the mismatch at the ends of the run. All that
is good up to about 1ghz where more specialized coax is needed for
minimum loss.
The antenna is a significant part of the equation and you are well
advised to use an antenna suited for the frequency of interest.
Broadband antennas like discones have very low gain, and they pull in
other strong signals you don't want.
On Tue, Jan 29, 2019, 12:40 PM cliff palmer <address@hidden
<mailto:address@hidden> wrote:
I have a HackrfOne with an Ant500 antenna connected to my
workstation in my basement (where the internet connection
lives). I need to move the antenna out of the basement to
improve reception, so I thought I would use coax to connect the
antenna from upstairs to the HackrfOne.
I'm too new to SDR to be confident about just moving the antenna
and using a spare length of cable coax. Please provide some help
on selecting, sizing and connecting coax between the HackrfOne and
the Ant500.
Thanks
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--
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Senior Staff Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks
Re: [Discuss-gnuradio] Moving my antenna,
Sid Boyce <=