Search found 26 matches

by Evap1
Sat Dec 08, 2018 12:17 pm
Forum: Off-Topic
Topic: Just boring stuff above 868?
Replies: 22
Views: 42244

Re: Just boring stuff above 868?

NarrowBand Signals on 25 East earlier today.
NarrowBand Signals 25 East3.png
NarrowBand Signals 25 East3.png (817.38 KiB) Viewed 21470 times
by Evap1
Wed Dec 05, 2018 6:57 am
Forum: Troubleshooting Help
Topic: RTL SDR dongle with lower sample rate than 220KHz
Replies: 3
Views: 2268

Re: RTL SDR dongle with lower sample rate than 220KHz

Sorry,
forgot to show device sample rate dialogue box options.
See below.
Plate3.png
Plate3.png (60.51 KiB) Viewed 2214 times
by Evap1
Wed Dec 05, 2018 2:34 am
Forum: Troubleshooting Help
Topic: RTL SDR dongle with lower sample rate than 220KHz
Replies: 3
Views: 2268

Re: RTL SDR dongle with lower sample rate than 220KHz

Hi Again Jeromebi,
Some more of the options available.
Evap1
Plates1a.png
Plates1a.png (224.21 KiB) Viewed 2230 times
by Evap1
Tue Dec 04, 2018 11:31 pm
Forum: Troubleshooting Help
Topic: RTL SDR dongle with lower sample rate than 220KHz
Replies: 3
Views: 2268

Re: RTL SDR dongle with lower sample rate than 220KHz

Hi Jeromebi, There used to be a set of tools on the rtl-sdr.ru site. But they will only work with older versions of sdr# V1500 and some earlier versions. Please see picture. Evap1 Narrow Bandwidth1.png
by Evap1
Tue Dec 04, 2018 9:35 pm
Forum: Troubleshooting Help
Topic: Very weak singnal from NOAA with QFH anthenna
Replies: 15
Views: 8319

Re: Very weak singnal from NOAA with QFH anthenna

Hi Estario, Did some pictures for you from this evening's Noaa-18 Pass. (Noise in your Waterfall). You seem to have the gain too high and this will introduce noise and also pull in other close-by signals. Try to set the FFT screen to 50 or 60 and adjust the gain to suit. The key to this is SNR (Sign...
by Evap1
Fri Nov 30, 2018 12:28 pm
Forum: Troubleshooting Help
Topic: Very weak singnal from NOAA with QFH anthenna
Replies: 15
Views: 8319

Re: Very weak singnal from NOAA with QFH anthenna

Hi Estario,
Please see Picture.
Remove any potential short circuits and you should be good to go!
Evap1
Estario Ant1b.png
Estario Ant1b.png (258.61 KiB) Viewed 3912 times
by Evap1
Tue Nov 27, 2018 1:42 am
Forum: Troubleshooting Help
Topic: Very weak singnal from NOAA with QFH anthenna
Replies: 15
Views: 8319

Re: Very weak singnal from NOAA with QFH anthenna

Hi Estario,
Found a Picture for you.
You should be getting a signal similar or better than this when your setup is correct.
Evap1
noaa-18e.jpg
noaa-18e.jpg (480.3 KiB) Viewed 4171 times
by Evap1
Tue Nov 27, 2018 12:35 am
Forum: Off-Topic
Topic: Just boring stuff above 868?
Replies: 22
Views: 42244

Re: Just boring stuff above 868?

Hi Username,
Update of previous Picture for you.
IMG_20161014_224542c.jpg
IMG_20161014_224542c.jpg (1.3 MiB) Viewed 12783 times
Evap1
by Evap1
Mon Nov 26, 2018 11:29 am
Forum: Troubleshooting Help
Topic: problem with bias tee
Replies: 4
Views: 3133

Re: problem with bias tee

Hi RTLSDR,
Apologies for jumping in!.
Evap1
by Evap1
Mon Nov 26, 2018 11:25 am
Forum: Troubleshooting Help
Topic: Very weak singnal from NOAA with QFH anthenna
Replies: 15
Views: 8319

Re: Very weak singnal from NOAA with QFH anthenna

Hi Estario, Convenience is the word. Coax is in plentiful supply, easy to work with and resistant to the elements, the outer sheath is proven against UV rays water ingress etc. If you did use bare copper you would have protect it. Aluminium is not straightforward connection-wise to your Coax feed-li...