What's the practicle length I can extend the cables going into the transmitter unit? I'd like to mount my homemade sun-sheilded transmitter down near the ground but keep the other bits up on my roof. I'd say it's 20-25 feet (6-7 m?).
Also, this will keep the unit away from my 2 meter ham radio antenna
I can make up custom cables and connectors - no issue. I have miles of bulk flat silver satin cable from Radio Shack.
Thanks!
Scott
http://www.wunderground.com/weatherstat ... =KNYBALLS2
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Latest Cumulus MX V4 release 4.4.2 (build 4085) - 12 March 2025
Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024
Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)
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WW-1081 Cable Length
- Ned
- Posts: 258
- Joined: Mon 19 Jul 2010 11:15 am
- Weather Station: WS2083 (aspirated)
- Operating System: Win 10
- Location: Auckland NZ
Re: WW-1081 Cable Length
I've extended my cables by 10m without a problem, apart from an increased occurrence of temperature spikes somehow caused by the longer wind instrument cable. You'd want to use twisted pair cable at least, and then use Cumulus's spike removal settings to nail the worst of the remaining ones.
- ScottVan
- Posts: 73
- Joined: Fri 03 Jun 2011 2:58 am
- Weather Station: F/O
- Operating System: Win 10
- Location: Ballston Lake New York
Re: WW-1081 Cable Length
I've been testing my 2meter HAM radio antenna with my FO station for a few days now. Have the radio working at 5 watts, transmitting every few minutes (APRS station). So far no spikes or other signs of interference. The weather station will be in close proximity to this antenna on final install and advice I received here and at some HAM sites was to test it on the ground fist. Looking ok so far.Ned wrote:I've extended my cables by 10m without a problem, apart from an increased occurrence of temperature spikes somehow caused by the longer wind instrument cable. You'd want to use twisted pair cable at least, and then use Cumulus's spike removal settings to nail the worst of the remaining ones.
Scott
http://www.wunderground.com/weatherstat ... =KNYBALLS2
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- MickinMoulden
- Posts: 499
- Joined: Mon 20 Dec 2010 12:12 pm
- Weather Station: WS-1081 with rain gauge mod
- Operating System: Windows 7 & 1.9.3 b1059
- Location: Palmerston, NT, Australia
- Contact:
Re: WW-1081 Cable Length
I've just run 15 meters for both the wind and rain conectors. I was getting spikes of 1-3c, but have used the spike removal today. Seems to be working well.
- ScottVan
- Posts: 73
- Joined: Fri 03 Jun 2011 2:58 am
- Weather Station: F/O
- Operating System: Win 10
- Location: Ballston Lake New York
Re: WW-1081 Cable Length
I''me extending mine about 25 feet to a fan aspirated screen on the shady side of the house. Using twisted pair Cat 5 cable. Running the fan off a solar pane attached to the pole-mounted instruments.MickinMoulden wrote:I've just run 15 meters for both the wind and rain conectors. I was getting spikes of 1-3c, but have used the spike removal today. Seems to be working well.
Pics soon.

