Find answers to your questions about Amateur Radio or help others by answering their Amateur Radio questions.
I live in an apartment. I don't have control over all of the appliances but perhaps I can mitigate if I know where the noise is coming from and under...
Asked on 09/27/2021 by NonYaBidnezz
3 answerI'm getting a lot of noise now that I have a dipole higher up. The pattern on the waterfall makes...
Asked on 09/27/2021
2 answerLooking at the diplexer schematic from this nice question, I realized this can completely be done in PCB-formed elements (minus the connectors)....
Asked on 09/27/2021
0 answerI want to crimp a connector onto some RG58 A/U cable. The cable has a foil shield under the braided shield. What's the recommended way to deal with the foil?...
Asked on 09/27/2021 by mrog
1 answerThis is my first ever experience with GNU Radio. I am trying to implement a simple FM receiver shown below with its C++ API. I seem to have pedantically deconstructed...
Asked on 09/27/2021 by Oleksandr Kravchuk
1 answerA NEC4.2 analysis of the performance of a buried ground rod at the A-C mains entrance of a building shows it be ineffective in removing the common-mode r-f current that...
Asked on 09/27/2021
1 answerI recently built this circuit, and could hear a nice full quieting signal on my short-wave radio with a 7.2 megahertz crystal for the 40 meter band. What is the...
Asked on 09/27/2021 by Skyler 440
4 answerFrom what I've seen, there are generally two ways to power a mobile radio:Positive lead to battery, negative lead grounded to chassisBoth positive and negative leads to batteryI know that...
Asked on 09/27/2021
5 answerThe mode of SSB is alive and well. It has relevance for long-distance comms and does not waste spectrum. The orthodox methods of generation are Filter, Phasing and Weaver. These...
Asked on 09/27/2021 by Autistic
2 answerAt first glance this appears to be a simple ground plane but there is far more going on. The ham who built this back in the '80s is now...
Asked on 09/27/2021
8 answerGet help from others!
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