HT: Kenwood TH-D74a added to the shack for 144, 220 and 440 amateur bands D-Star, broad band receive, etc. / Retevis RT-71 DMR UHF radio and a BaoFeng UV-5R (3 of them with 2 in the Faraday Cage.) 136-174/400-480 MHz Dual-Band – BaoFeng is mostly for monitoring and throwaway high risk operations.
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If you are in doubt what cables you need, again, ask your local Radio Shack expert. They seem to be very knowledgeable in this area and are very helpful. Last but not least in the antenna department, you may find it very useful to get an electric rotor for your antenna. This is a small motor that is mounted on the mast of your antenna.
That schematic certainly matches my old Channel Master rotor. I get 8 ohms from the common to either winding, but each winding is two coils in series. So that matches. What did you measure for your rotor? It is too bad that the schematic does not show the capacitor value. I think that I remember it being 130 uf .
generously sent a couple of schematics to help troubleshooting the signal path, as well. So, now, the performance review. This is only a comment after a few days of use, including lots of listening during CQ WW SSB. I am pleased to say, it easily exceeds any claims and reviews I have seen online. It really is a great receive antenna.
Mar 10, 2011 · The circuit diagram shown in Figure illustrates the schematic for the 80/40 Meter Direct Conversion Receiver. A dipole or suitable antenna is fed directly to input jack J1, which is coupled to potentiometer R1, which serves as a continuously variable RF attenuator and also serves as the receiver’s gain control.
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