Topband: FW: UN-REAL AND THE REAL WORLD 2016 FOR HAM RADIO

2016-03-08 Thread JC
Hi Don >>Because it's amplitude is time varying, aluminum or any other metal can >>provide an effective shield based on the skin effect principal (you just have >>to factor in the resistivity of the material and operating frequency to >>determine how thick the material must be to become an

Re: Topband: UN-REAL AND THE REAL WORLD 2016 FOR HAM RADIO

2016-03-08 Thread Don Kirk
Hi JC, Very good webinar presentation (I watched the recorded version this past weekend), and I always enjoy hearing what you have done, and your on the air results are always very impressive. I would like to comment about the statement you just made regarding "metal box, not aluminum that

Topband: UN-REAL AND THE REAL WORLD 2016 FOR HAM RADIO

2016-03-08 Thread JC
Hi Folks I have been working to improve my RX systems for several years. I ‘ve got good results using good practice on grounding shielding and detuning my TX antennas. I heard this several times from different hams, I need to update my system to the REAL WORLD, my station is close to