These are probably not images reflected by the intermediate frequency but
second and/or third harmonics of the MW stations. Presumably you have ruled
out any cause external to the radio, e.g., the comparison is being made
using the same antenna and with no other device (including the other
receiver) connected at the same time.

Tom

Yes, only a single antenna is being used. I now think something has to
be wrong with the 7030+ because the overload I'm experiencing on it is
actually worse than the overload I experience on my Lowe HF-150--so,
that clinches it. My guess is the SD5400 mixer needs to be replaced,
but that's just a guess. No other aspect of the receiver's functioning
appears compromised. It's as sensitive as ever and an external highpass
filter temporarily improves things.

I can send it off to AOR UK if necessary, though it'll have to wait a
few weeks until my business travel has ended.

If any of you guys have other hypotheses about what the source of this
difficulty is, please let me know. Thanks.

Steve

http://www.aoruk.com/pdf/fet.pdf

The above link should shed some light on your situation..........it looks as
if the SD5400 mixer is damaged. It shouldn't be too hard to replace. I don't
have any of those on hand, or I would send you one of them.

Pete

wrote in message
ups.com...
Yes, only a single antenna is being used. I now think something has to
be wrong with the 7030+ because the overload I'm experiencing on it is
actually worse than the overload I experience on my Lowe HF-150--so,
that clinches it. My guess is the SD5400 mixer needs to be replaced,
but that's just a guess. No other aspect of the receiver's functioning
appears compromised. It's as sensitive as ever and an external highpass
filter temporarily improves things.

I can send it off to AOR UK if necessary, though it'll have to wait a
few weeks until my business travel has ended.

If any of you guys have other hypotheses about what the source of this
difficulty is, please let me know. Thanks.

Steve

http://www.aoruk.com/7030bulletin.htm

This link has all of the service bulletins for the 7030.

Pete

wrote in message
ups.com...
Yes, only a single antenna is being used. I now think something has to
be wrong with the 7030+ because the overload I'm experiencing on it is
actually worse than the overload I experience on my Lowe HF-150--so,
that clinches it. My guess is the SD5400 mixer needs to be replaced,
but that's just a guess. No other aspect of the receiver's functioning
appears compromised. It's as sensitive as ever and an external highpass
filter temporarily improves things.

I can send it off to AOR UK if necessary, though it'll have to wait a
few weeks until my business travel has ended.

If any of you guys have other hypotheses about what the source of this
difficulty is, please let me know. Thanks.

Steve