Search found 51 matches

by phil
Mon Oct 21, 2019 7:00 am
Forum: Troubleshooting Help
Topic: HDSDR waterfall
Replies: 2
Views: 363

Re: HDSDR waterfall

I don't believe there an option to do that with HDSDR. In fact it's the main reason why i use it, the signals (to my eyes at least) look better flowing up from the spectrum section.
by phil
Fri Aug 23, 2019 12:57 am
Forum: Antennas
Topic: Boxx Antenna?
Replies: 4
Views: 1121

Re: Boxx Antenna?

by phil
Sun May 12, 2019 12:25 am
Forum: Troubleshooting Help
Topic: RTL-SDR Wideband LNA
Replies: 2
Views: 846

Re: RTL-SDR Wideband LNA

The Discone is grounded to the same earth stake as the other antennas mentioned. I've since pulled it down and packed it away. I think i'm lucky that only the LNA units were damaged and not my more expensive SDRs. Looking at the price of the SPF5189Z chips, it's not worth replacing them. I have no i...
by phil
Fri May 10, 2019 10:54 am
Forum: Troubleshooting Help
Topic: RTL-SDR Wideband LNA
Replies: 2
Views: 846

RTL-SDR Wideband LNA

My second LNA has now failed. Strange thing is, it's only started happening since i connected them to a discone! They both ran quite happily on custom 150MHz Dipole, 450 MHz 1/4 wave and 1090 MHz 1/4 wave antennas. Any thoughts on what is happening? My theory is that the the discone is wideband enou...
by phil
Wed May 01, 2019 5:32 am
Forum: Troubleshooting Help
Topic: About heat
Replies: 2
Views: 823

Re: About heat

It is quite normal for the unit to get very hot depending on what you are using it for.
by phil
Sun Apr 14, 2019 12:08 am
Forum: Signal Identification Help
Topic: Strange Beacon type Signal at 453.349 MHz
Replies: 1
Views: 1336

Re: Strange Beacon type Signal at 453.349 MHz

Looks like SCADA to me.
by phil
Sat Feb 16, 2019 11:29 pm
Forum: Other SDR Devices
Topic: Check out the specs on THESE receivers!
Replies: 2
Views: 5816

Re: Check out the specs on THESE receivers!

According to a 2013 RR post the 40GHz unit was $60,000 USD. I'll have to check down the back of the couch, but i don't think i will be getting one this year.
by phil
Mon Feb 04, 2019 6:52 am
Forum: User Projects
Topic: Spare Aluminum Metal Enclosure
Replies: 1
Views: 14612

Re: Spare Aluminum Metal Enclosure

I have a couple i used for the LNA4ALL unit. Measurements are in this post: viewtopic.php?f=5&t=2367&p=8852&hilit=cases#p8838
by phil
Fri Jan 11, 2019 7:23 am
Forum: Antennas
Topic: diy biquad for inmarsat
Replies: 5
Views: 15338

Re: diy biquad for inmarsat

Cheers, i've had no issues receiving the audio since Jonti released the last version. The main reason i wanted to try another antenna was to try and see if i can increase the signal strength for roughly 12 or so hours that the sat wanders further north of the equator and signals are next to non exis...