oan schrieb:

Dear friends,
I have a sony icf 7600D for about 15 years. I started to upgrade it
now because it is not successful in catching weak signals. I live in
Istanbul,Turkey and I am especially interested in catching weak local
stations of central asian states and Siberia. I use a long random wire
antenna. My ICF7600D is good at strong signals of BBC, VOR etc. but,
so far not good enough for weak ones i am interested in.

I don't know the exact signal levels in Turkey, but if they're anywhere
near those in Central Europe, a long random wire will cause significant
overload when not used with a decent (sharp) preselector. Apart from
that, the old 7600D was also pretty noisy, an aspect that was improved
significantly in later models.

Do you advice
a table top for this purpose? If yes, what would you advice?

I'd say for the kind of DXing you intend to do a good tabletop is the
receiver to go for. What model to get depends on your budget and whether
it's supposed to be new or used. New receivers to look at would probably
be Icom IC-R75 (more focused on SSB), AOR AR7030 PLUS (excellent
"analog" and good for general broadcast listening along with DXing, but
the operation may not suit everyone), JRC NRD-545 (an IF DSP rig with
"DXing sound" which also excels in data modes and heeds the "one
function, one control" concept).

Stephan
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