Nick schrieb:

Hi, I have a 7600GR that I use for utility monitoring. It's all my
budget would allow at the time and I've been quite happy with it. I
was thinking of trading up to a s/h receiver like an R2000 or FRG100
etc, however, I have heard people say that when connected to a decent
antenna, there is not much between any of these radios performance
wise. Is this about right or would I notice much better performance
from a FRG100?

The FRG100 in particular is supposed to be an excellent "ute" set that
shines in SSB. (Just too bad it has no direct input facility, though a
3rd party keyboard accessory is available. Also, you'll need a matching
power supply.) Should be noticeably superior to the 7600GR, which gets
in trouble in crowded ham bands due to its (for this purpose) wide IF
filter and also sounds a bit muddy on weak stations. Given roughly equal
signal levels, a "real" receiver like my AR7030 can squeeze out quite a
bit more intelligibility. Much quieter frequency synth is probably the
reason.

Secondly, when using the ext antenna input on the 7600GR, would it be
a 50ohm balanced input or a 300ohm non-balanced one?

I think the EXT ANT input is more in the 75 ohm range, so I'd use a low
impedance feed. Since you are in the UK, I would very much recommend
using an antenna tuner, the receiver is easily overloaded otherwise.
(The Yaesu, on the contrary, can also be used on rather big antennas
with no intermod problems.)

Stephan
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