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of the Swan 350.
Mar 5, 2010 14:54
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Caution - Men Working!
Time owned: 0 to 3 months
Human Error that is.
We are all guilty of not reading the instructions when getting new gadgets, gizmos and yes, even complex pieces of communications equipment. And, in fact, it's really a positive commentary on our design and engineering traditions, where things are intuitive enough that it is even possible. Of course there are limits to everything and a fair amount of "anecdotal expertise" out there.
So when one gets into the realm of boat anchors where documentation is either minimal or totally lacking, old wives tales are bound to exist and the cautions and advice of the original manufacturers may not be public knowledge.
That is certainly the case with the Swan 350 which I saw at a recent Hamfest and was highly cautioned against buying for the above stated reasons in some of the previous remarks. So I thought i incumbent on me to set at least part of the records straight after obtaining a copy of the original Operation and Maintenance Manual by quoting the manufactures directions in tuning up the Swan 350 for transmitting to wit::
"Precise tuning of a single sideband signal is very important. Do not be satisfied to merely tune until the voice can be understood, but take the time of setting the dial to the exact spot where the voice sounds natural. Above all, avoid the habit of of tuning so the voice is pitched higher than normal. This is an unfortunate habit practiced by quite a few operators. If you tune so that that the voice is higher than normal pitch, you will then transmit off frequency, and your voice will then sound lower than normal pitch to the other stations. They will probably retune so that you sound normal. If you keep this up you will both "waltz" all over the band . . . and someone will no doubt be accused of frequency drift."
So I rest my case with the conclusion that ALL older tube rigs need some time to warm up before becoming stable and that is the first thing you read in their documentation if you are fortunate enough to have that for your associated rig. But let's not keep repeating "urban myths" when there very well mat be more probable and even obvious causes for various rig "characteristics" and "personalities". B^)
That's my 2c worth.
Rob Thomas, KC4NYK
Proud Owner of a Swan 350
(400 Watts!! Holy Chrikkies mate!)
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