Search found 3 matches

by rtlsdrFan
Thu Oct 10, 2013 3:11 pm
Forum: Antennas
Topic: how to rank my homemade antenna?
Replies: 4
Views: 15159

Re: how to rank my homemade antenna?

Test it against known signals like FM Radio, Air and NOAA (if in USA). If they are strong, that means you have a great general purpose VHF antenna. The best way is to listen. If it sounds noisy then poor for that band. Make a note. Question: what type of antenna did you make? Without an expensive An...
by rtlsdrFan
Sun Oct 06, 2013 1:46 pm
Forum: Antennas
Topic: Antenna Switching
Replies: 3
Views: 14577

Re: Antenna Switching

Just remember: Every time you split you lose DB [signal]. Like 50% [3dB loss] for a two split. dB loss really matters on all SDR applications.... so the simple [and cheap] splitter MAY not work if you don't have a high gain antenna See this video. The Workman "switch" is much better, but rather inco...
by rtlsdrFan
Thu Aug 29, 2013 2:46 pm
Forum: Antennas
Topic: The Antenna is key!
Replies: 2
Views: 12607

The Antenna is key!

One of the most common queries on all blogs, by newbies about RTL-SDR dongles is: "I can't hear anything" Many newbies that buy a rtl dongle off ebay are very concerned/worried when they can't hear anything but the strongest local FM station. There is a reason for this! The antenna that comes stock ...