IMPORTANT NOTICE from the Moderators of RADIOSHACKDX394: Always DELETE the ORIGINAL MESSAGES from your reply. Quote just the most salient points if needed for...
7321
NormanD
nrdavies.jim71
Dec 6, 2012 2:20 pm
hi all, I have a good friend far away in Ecuador who is expecting things to hit the fan (globally) before very long. He's asked for some specific advice. I'm...
7322
Tom Holden
yah0ldena
Dec 6, 2012 2:57 pm
He had better hurry if it's Dec 21 he is worrying about. My suggestion is to post this to a group whose primary interest is in ham radio antennas. There are a...
7323
NormanD
nrdavies.jim71
Dec 6, 2012 3:57 pm
Thanks Tom, No I don't think it's December 21st he's thinking about, it's an agenda driven collapse he has in mind. He's spent over 20 years researching and...
7324
Tom Holden
yah0ldena
Dec 6, 2012 4:44 pm
If he wants something very transportable but not for use while mobile, moderately efficient, then a BuddiPole with a telescoping mast would be a good bet. But,...
7325
William Barrett
w1wjb
Dec 6, 2012 8:40 pm
I'd love to give you a quick and easy one-size fits all, but the truth is that it's an extremely complex question with literally dozens of best answers from...
7326
David R. Goodson
metheshortwaver
Dec 6, 2012 9:09 pm
If you're just receiving, anything will work. Transmitting, now that's a real problem! You have standing waves reflected back so nothing goes out the antenna...
7327
renton481
Dec 7, 2012 2:49 am
For something combining performance and portability, I would think wire antennas would be the way to go. A dipole, or maybe a quad (or delta loop)....
7328
g1mxp
Dec 7, 2012 2:05 pm
Hi Have got a very perplexing problem with my DX394. On listening to the amateur bands the set works fine on LSB. However on USB on the 14 mhzs band the...
7329
Tom Holden
yah0ldena
Dec 7, 2012 2:50 pm
I cannot conceive why USB would be fine on one band and not on another, given what I understand of the way the 394 tunes and that you are a licensed ham and...
7330
w8rmv
Dec 7, 2012 5:23 pm
If it is a "B" version, it could be an USB alignment issue. Thus is an internal adjustment best done with test equipment but can be done by ear. - 73 Bob V...
7331
edward baker
g1mxp
Dec 7, 2012 8:34 pm
Thanks Tom for the reply. Yes will try atten when I return home later today. Hope this sorts it out  73 from Edward ________________________________ From:...
7332
jchajecki
Dec 8, 2012 8:11 pm
Tom, Thanks, I can now access it via the link you provided....
7333
Bigjed
gerrytweedie
Dec 9, 2012 4:25 pm
I have 2 'B' model 394s.Each is connected to a random wire antenna via a 9:1 balun and separate earth (which is common to both,a copper water pipe)I had...
7334
R. Mark Barnett
barnett316
Dec 9, 2012 9:45 pm
In my experience it is not uncommon for two identical "consumer"; grade radios to have slightly different performance.... When you take into account the...
7335
Tom Holden
yah0ldena
Dec 10, 2012 1:15 am
I agree that these discrepancies point to a serious misalignment in the front end. The two frequencies mentioned are in two different rf preselector bands....
7336
Bigjed
gerrytweedie
Dec 11, 2012 11:09 am
... Maybe there is something else at play. ... Tom,would time of day have anything to do with it,do you think?I've been experimenting this morning (currently...
7337
Tom Holden
yah0ldena
Dec 11, 2012 1:54 pm
There is an elapsed time issue with the RF preselector retuning over several hours since being turned on but that applied only to the MW/LW bands ref: ...
7338
Bigjed
gerrytweedie
Dec 11, 2012 7:14 pm
... Switching the attenuator in/out may give ... Try this one Tom.When listening to 20M on Radio 1,which is the unusually quiet one,I found that switching the...
7339
Tom Holden
yah0ldena
Dec 11, 2012 8:26 pm
The antenna must be connected to the Lo-Z input for the pad to work. Preselector band SW3 covers from around 10-11 MHz on up. SW2 is around 5-10 MHz. If 20m...
7340
mertivsvyna
Dec 13, 2012 8:36 pm
A good way to compare two 394s would be to connect the same antenna in parallel simultaneously to both radios. That way you can be sure that they are both...
7341
Tom Holden
yah0ldena
Dec 13, 2012 9:36 pm
I'm not so sure that connecting two receivers in parallel to the same antenna is actually as fair a test as going through an A-B switch. It is the performance...
7342
Bigjed
gerrytweedie
Dec 13, 2012 11:17 pm
... e I think A-B switching is the more reliable method of testing. ... I actually tried this.I bypassed the ATUs and A-B switch by firstly setting the...
7343
w8rmv
Dec 14, 2012 5:43 pm
I agree. But, it is worth the experiment. A good A-B switch & jumpers should then be tried. In the end, I would trust the A-B switch results. And remember,...
7344
Beau
btlacer
Dec 15, 2012 9:14 pm
Hi group, I recently bought a like new dx394 and it has a issue. If I tune to 11.175 USB or any frequency on USB I have to tune down on frequency to get a...
7345
Bigjed
gerrytweedie
Dec 16, 2012 1:30 pm
... Further to this: Both radios on 15170 khz (Radio exterior De Espana) and reading 7 on the meter,running off 1 antenna and fed thru A-B switching box.Signal...
7346
Jeff
flyrihght
Dec 16, 2012 2:40 pm
If you had a brand new DX-394 what would you do first?...
7347
Tom H
yah0ldena
Dec 16, 2012 2:45 pm
I would hock it for as much as I could get and use the money to buy a better radio, say, an Alinco DX-R8 which is a descendant of the DX-394. But I'm a special...
7348
Tom H
yah0ldena
Dec 16, 2012 2:57 pm
Is one radio modified, the other not? Is one radio shielded, the other not? Verify that the switch is symmetrical by swapping the radios and output ports -...
7349
Ernie Rice
radiotech750
Dec 16, 2012 5:49 pm
Sell it to me! . I would send it to Lowbander for all the mods to make it better than new! Ernie ... -- Remember that when you think you have it all figured...
