Search found 103 matches

by aurgathor
Thu Jan 16, 2020 9:18 pm
Forum: Off-Topic
Topic: whatever happened with mirics?
Replies: 4
Views: 3715

Re: whatever happened with mirics?

I haven't seen many official documentation for either the R820T or the Realtek chip, but they're at least available to purchase for mortal beings without much hassle. (i.e. eBay) But for the Mirics chips, neither docs, nor chips, so no surprise there aren't very many products with them. As far as I ...
by aurgathor
Thu Jan 16, 2020 8:32 pm
Forum: Other SDR Devices
Topic: Airspy HF+ Discovery
Replies: 17
Views: 11209

Re: Airspy HF+ Discovery

If you haven't seen in the front page, the Discovery got reviewed by WRTH here: https://irp-cdn.multiscreensite.com/46d0be53/files/uploaded/WRTH2020Features_Airspy_Discovery_review.pdf and it got an excellent grade, as illustrated by their conclusion: Overall, we find it remarkable and very commenda...
by aurgathor
Tue Jan 14, 2020 7:17 pm
Forum: RTL-SDR Discussion
Topic: My key
Replies: 1
Views: 1107

Re: My key

Is that a so called "transponder key"? Transponder keys do not have a battery; it is an embedded chip which is powered by the radio signals itself that are sent by the car. The radio signals are of a very low strength that they activate the chip only when the key is very near to the dashboard or whe...
by aurgathor
Tue Jan 14, 2020 5:01 am
Forum: RTL-SDR Discussion
Topic: USB ports and sdr....
Replies: 4
Views: 2147

Re: USB ports and sdr....

Some SDR dongles can use around 300 - 350 mA, so you want cables with reasonable PWR and GND conductors for the length of the cable.
by aurgathor
Sun Dec 29, 2019 12:05 pm
Forum: Troubleshooting Help
Topic: Nvidia HDMI audio problems
Replies: 4
Views: 1855

Re: Nvidia HDMI audio problems

Not sure if that applies to your situation, but you can get a same error message when trying to use an rtl-sdr without running install_rtlsdr.bat first.
by aurgathor
Sat Dec 28, 2019 1:41 pm
Forum: Other SDR Devices
Topic: SDR# Question & SDRPlay Units ?
Replies: 7
Views: 8926

Re: SDR# Question & SDRPlay Units ?

SDRUno is the recommended software for SDRplay units, and only that program will work best. While that may very well be correct (I have no experience with them together) older releases of SDR# did indeed work with some SDRPlay devices. Personally, I tried SDRUno with a RTL-SDR v3, and I can underst...
by aurgathor
Fri Dec 27, 2019 4:24 pm
Forum: Other SDR Devices
Topic: SDR# Question & SDRPlay Units ?
Replies: 7
Views: 8926

Re: SDR# Question & SDRPlay Units ?

I think older releases of SDR# should work with SDRPlay devices.

Don't own or used any RSP device, so this is based on only what I remember reading.
Not sure about the version number, but it could be 1361 and older.
by aurgathor
Wed Dec 25, 2019 2:15 am
Forum: RTL-SDR Discussion
Topic: AM frequency help with rtl-sdr USB
Replies: 24
Views: 9047

Re: AM frequency help with rtl-sdr USB

Yes i think the dongle is not good that I have it's not V3 , so at the moment I am waiting the new Antenna hopefully to work well. For the SDR# maybe you are right I don't have an experience to use it I a trying to hear but nothing. If you have a usual telescoping antenna, that should work fine and...
by aurgathor
Tue Dec 24, 2019 3:18 pm
Forum: RTL-SDR Discussion
Topic: AM frequency help with rtl-sdr USB
Replies: 24
Views: 9047

Re: AM frequency help with rtl-sdr USB

As long as the FM broadcast stations have a significantly higher signal level (and chances are that's the case) you're DOA without some filtering or down conversion. I listen to airband all the time with no LNA and no FM bandstop filter. I'm not saying that it can't kill his reception (it definitel...
by aurgathor
Mon Dec 23, 2019 8:32 am
Forum: RTL-SDR Discussion
Topic: AM frequency help with rtl-sdr USB
Replies: 24
Views: 9047

Re: AM frequency help with rtl-sdr USB

I assumed you want to receive something relatively low frequency because it's AM (my bad), but I just searched,and airband appears to be 108 - 137 MHz. Most likely you need a good quality FM bandstop or FM low pass filter and possibly a LNA to receive that band. As long as the FM broadcast stations ...