Search found 8 matches

by Richard9026
Mon Dec 26, 2016 1:46 pm
Forum: RTL-SDR Discussion
Topic: Direct sampling & sub-harmonics
Replies: 2
Views: 4039

Direct sampling & sub-harmonics

Hi ! I successfully soldered a wire to pin 1 of the rtl2832u chip of a cheap chinese rtl-sdr , i used a grounded soldering iron so i don't zap the chip I'm receiving a lot of stations and some hams at night with the longwire antenna , but FM interference is a big problem , also there is a strong am ...
by Richard9026
Thu Jun 30, 2016 11:47 am
Forum: Signal Identification Help
Topic: A lot of signals on 800mhz
Replies: 5
Views: 11771

Re: A lot of signals on 800mhz

I found the database , and I see that this band is allocated for broadcasting
Point of interest
tnabf en.jpg
tnabf en.jpg (179.54 KiB) Viewed 11669 times
Full database http://www.ancom.org.ro/en/uploads/link ... 011_en.pdf
by Richard9026
Sat Jun 25, 2016 10:17 am
Forum: Signal Identification Help
Topic: A lot of signals on 800mhz
Replies: 5
Views: 11771

A lot of signals on 800mhz

I was searching the sdr spectrum when i suddenly found like 60 signals , all of the same type (I'm in Romania) They start on 796.480 mhz and end on 805.480 mhz , they have an bandwith of ~27khz and the distance between them is ~29khz On signal identification wiki I don't find anything The start of t...
by Richard9026
Tue Jun 07, 2016 5:04 pm
Forum: Signal Identification Help
Topic: 88-108mhz fm signals on 24 mhz
Replies: 1
Views: 8450

88-108mhz fm signals on 24 mhz

Why are there 88 - 108 mhz fm stations on 24-27 mhz ? How can i fix it ? bad drivers ?
by Richard9026
Sat Jun 04, 2016 8:55 am
Forum: Off-Topic
Topic: Big metal thing for antennas
Replies: 2
Views: 12706

Big metal thing for antennas

Hi ! I found an metal thing with 2 coaxial ports , 1 big port and an cable that enters in the outlet (230v-240v)
What is it ? i can't find the name on the labels
http://imgur.com/a/nZVSz
by Richard9026
Wed Jun 01, 2016 9:32 pm
Forum: Antennas
Topic: tv antenna for sdr / tv
Replies: 3
Views: 9945

Re: tv antenna for sdr / tv

There aren't any power inputs on the lnb , only the coax cable that exits it , so i just plug the coax cable into the dongle ? Will it deliver enough power to power that old lnb ?
PS : I dont have the dongle , it should arrive in ~1 week
by Richard9026
Fri May 20, 2016 8:00 pm
Forum: Troubleshooting Help
Topic: rtl2832u frequency restriction ???
Replies: 1
Views: 6779

rtl2832u frequency restriction ???

Can any tv tuners with rtl2832u / r820t chipset recieve the 24MHz-2200MHz ?
I mean if an tv tuner with that chipset can be restricted to only 87.5-108MHz , because i see at a lot of products with specs like : - FM Radio (87.5-108MHz)
by Richard9026
Mon May 16, 2016 6:32 pm
Forum: Antennas
Topic: tv antenna for sdr / tv
Replies: 3
Views: 9945

tv antenna for sdr / tv

can I use this tv antenna for sdr/tv ? :?: http://imgur.com/hmpx9AO it remained from an tv company (I dont know anything about this antenna) it has an coaxial cable , I have an adaptor (coaxial to PAL) , I just need to connect the pal to the tv dongle and i can receive tv/sdr ? :?: is there any risk...