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I have a S350 and it's my "sitting on the back porch with a beer on a nice
night radio", but it's no DX machine. The S350 is a single conversion radio and it suffers badly from images as a result. "Honus" wrote in message ... "Frank Dresser" wrote in message ... snip Looks like a spurious response caused by your oscillator's third harmonic and the radio's poor RF selectivity. Assuming an IF frequency of 455 kHz, when the radio is tuned to 1615 the local oscillator is running at 2070 kHz (1615 + 455). The third harmonic of 2070 kHz is 6210 kHz. With an IF of 455 kHz and an oscillator frequency of 6210 kHz, there will be a response at both 6665 kHz (6210 + 455) and 5755 kHz (6210 - 455). KAIJ carries Dr. Scott on 5755. snip I just told someone over in rec.radio.amateur.dx that I'm ready to mail my Grundig back to China with a letter enclosed telling them where they can send it from there. ![]() experience has been extremely frustrating. All I want to do is turn on my radio, spin the dial until I find something interesting, look it up in my "Passport" book and have that be the end of it. sigh Oh well. I might as well start wishing for world peace. ![]() You might try checking your radio's local oscillator output with another radio. I'll bet it puts out a receivable signal at 6210 kHz as you tune around 1615 kHz. The first part of that went clean over my head. Thanks for trying, though! g FWIW I'm using a Grundig S350, grounded, with a 75' random wire antenna. And for rec.radio.shortwave, does anybody know of a URL that explains the process by which SW trasmissions are rebroadcast via satellite? Obviously, I've got more to learn about this. ![]() I'm still looking for this one. Part of the fun of this, which I didn't include in my rant above, is how I'm sharing this with my kids. I've got a big map on the wall, and we stick pins in the places where broadcasts we've received originated from. But as you all know, you can't always tell where a signal is coming from what with relays and satellites, etc. I'll just persevere. I'm going to enjoy this damned hobby if it kills me. Oh, and by the way...it's 0525 UTC and -someone- is back on that frequency again. (I tried reception during the day, but got nothing.) I haven't yet heard anything to indicate who it is, but I'm sure it's Scott. What was he talking about? The Pyramids? Aliens? Demons? Was he yelling at the hired hands again? No, I wasn't that lucky. It's good to have something to look forward to, though. |
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