Search found 92 matches

by P-40 Warhawk
Thu Jan 25, 2018 12:53 pm
Forum: RTL-SDR Discussion
Topic: RFI shielded computer case
Replies: 4
Views: 3872

Re: RFI shielded computer case

I put a ground rod out side my room were I keep the radio and the computer . Then I just grounded the computer case and other things . The computer case is metal and that is a RFI shield . Many ham's have ground rods outside their radio rooms and all of their equipment is ground to them , they do us...
by P-40 Warhawk
Sun Jan 21, 2018 10:45 pm
Forum: RTL-SDR Discussion
Topic: Regenerative preselection to improve HF dynamic range?
Replies: 2
Views: 3754

Re: Regenerative preselection to improve HF dynamic range?

Mfj sell something called a active antenna model number 1020c . It is a Amplified preselector , the range of the gain is -10db to +10db . it works very well with the V3 dongle . Frequency on it is from 300khz to 40khz . The price is just under $100.00 . You can find them used on Ebay for less .
by P-40 Warhawk
Mon Dec 18, 2017 2:44 pm
Forum: Troubleshooting Help
Topic: Help with getting SDRAngel to run .
Replies: 10
Views: 7383

Re: Help with getting SDRAngel to run .

Hi Tim-rtd . I was wrong when ti stated that my computer was dual core processor , it's a AMD quad core processor running at 2.90 Ghz . Ram is 8 GB . It is a 64 Bit system with 64 bit software . Software is windows 10 . Now nobody has said anything about the six programs under the SDRAngel program d...
by P-40 Warhawk
Wed Dec 13, 2017 10:52 pm
Forum: Troubleshooting Help
Topic: Help with getting SDRAngel to run .
Replies: 10
Views: 7383

Re: Help with getting SDRAngel to run .

Hi tim_rtd . I thank you for the help . But I think you just went over my head . I My computer is a dual core processor and I am running windows 10 .It should be running 64 bit , I have no idea if it is . I have no idea were to find c:/users , I do have a thing that is my computer . Again thank you ...
by P-40 Warhawk
Tue Dec 12, 2017 4:36 pm
Forum: Troubleshooting Help
Topic: Help with getting SDRAngel to run .
Replies: 10
Views: 7383

Help with getting SDRAngel to run .

The problem that I am having with SDRAngel is that when I transfer it from the unzip file to the desk top file SDRAngel exe becomes
SDRAngel applications . When I click on it , It doesn't load up , their just isn't anything .
by P-40 Warhawk
Mon Jul 10, 2017 2:27 pm
Forum: Antennas
Topic: Active Loop Antenna
Replies: 2
Views: 4423

Active Loop Antenna

I found a active loop antenna for receivers on ebay and the loop has a 950 ohm resister in the wire run that makes up the loop . I emailed the seller and asked what the 950 ohm resister was for , he didn't know , he was just selling them . Does anybody in this forum know why the 950 ohm is the loop ...
by P-40 Warhawk
Tue Jun 27, 2017 2:22 pm
Forum: RTL-SDR Discussion
Topic: Not very successfull with SDR - Advice
Replies: 50
Views: 37790

Re: Not very successfull with SDR - Advice

I don't know if anyone knows that a lot of disk cone antenna don't have the right connector on them and your problem could be that you have a antenna with the wrong connector on it . A disk cone antenna that is rated at 25 mhz to 1300 mhz should have a female N connector on it . Here is what Ampheno...
by P-40 Warhawk
Mon May 01, 2017 10:23 pm
Forum: Other SDR Devices
Topic: Mirics MSi3101
Replies: 1
Views: 12322

Re: Mirics MSi3101 the dongle that didn,t make it and why .

I don't know if you have seen this but here it is . I found this on Reddit forum , I hope this explains why the Mirics dongle never made it . Information on Mirics Chipset for General SDR applicationsNews/discovery (self.RTLSDR) submitted 2 years ago by Mirics Background Several years ago, Mirics de...
by P-40 Warhawk
Tue Apr 25, 2017 2:19 pm
Forum: Antennas
Topic: Loop antenna for frequency range of 160 meters to 10 meters
Replies: 6
Views: 7344

Re: Loop Antennas ????????????

I thank you . Kenn , snn47 , Administration . I had to smile when I readed about the stainless steel sheet metal screws , that was the first that I did . The DC resistance of the loop was only was four ohms . Also for those who would like to know the aluminum flashing on my house is four inch's wide...
by P-40 Warhawk
Mon Apr 24, 2017 2:54 pm
Forum: Antennas
Topic: Loop antenna for frequency range of 160 meters to 10 meters
Replies: 6
Views: 7344

Loop antenna for frequency range of 160 meters to 10 meters

I will start with what I have now for a setup , then I will get into what I hope I can do . I have a V3 dongle and I have a MfJ - 1020C pre-selector in front of it . Now for a HF antenna I am using the aluminum flashing on the eves of my house . This gives me a 246 foot horizontal loop antenna that ...