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I have a new four channel coherent RTL-SDR (Kerberos) that came without antennas. I welcome any suggestions for the type of antennas that I should use with this radio. I will need four identical antennas that will attach to the female SMA connectors on the radio. Thank you, Justin Smith Here is wha...

Thanks Hotpaw2 :) I already have a ground-wire permanently connected to the shield of the antenna (And since it's a loop-antenna thus also automatically to the lead wire) But I have ordered a galvanic isolator and also a surge-protector, which are to sit on the cable near the radio, so I'm currentl...

I had to go lookup UR67 and found the specifications. It is similar to RG-213 which is not a great cable for long distances. RG-213 has a loss of about 2.8 db per 100 feet. Depending on how long your run is this could be your issue. At VHF I strongly recommend looking at something in the LMR-400 ran...

If you are looking for an antenna that is easy to setup and use for a variety of applications then I would highly recommend Arrow Antennas. As an Amateur Radio Operator I have had the pleasure of using a variety of their antennas in both my hobbies and professional life. The team goes above and beyo...

Arrow Antennas, they are making an antenna specifically for the KSDR now. http://arrowantennas.com/arrowii/sdr.html

Sorry to resurrect an older thread. Is it possible to supply power anywhere else than the micro-USB port on the v2? I am finding this connector to be finicky and trying to get my system setup for mobile use. Twice now discovered my issue was with the cable backing out. Short of hot-gluing it in plac...

I am using the Samsung Tab S4 with AT&T FirstNet service. It works very well and provides the Wi-Fi hotspot so that mapping functions can be real-time. I will say however, that I am likely going to get a Laptop setup and run an Ethernet cable to the configuration just to improve issues where the tab...

Where do we get the RF Switches for the version 2? I keep hearing from others that have these units that they have it, but locating them is difficult. I heard that someone has written a custom code add-on that switches the port to the terminator for calibration and back to the antennas when done.

Sorry for delay responding. The notifications for this forum do not seem to be working correctly. I misunderstood thought the bug with the button was fixed. Yes I was using VNC. It was not displaying at 1080P. I bombed that microSD and reinstalled with 1.6.1 as a fresh download and tried again where...

Thank you, due to an issue I have had with the Pi4 not starting if the KSDR is receiving power through its input power connector I figured it wasn't needed. I will have to try and power up the board separately and see if that helps. Perhaps pull 5V off my powerhat so they are synced power supplies.