I got my ts-2000 3 years ago and had a friend check it, the mod is done on
mine so Kenwood's been doing it since then at least since I bought it brand
new.
----- Original Message -----
From: "Michael Thurman" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, January 28, 2011 4:56 AM
Subject: Re: Really Big Transmitters
> there is a mod out for th ekenwood ts2000 that brings the sensitivity up =
> and does not raise the noise figure I have the info if anyone is =
> interested but it requires someoen who can tack some resistors onto the =
> smd board at the front end basically kenwood didn'tbother to send the =
> correct voltage to the front end and the mod fixes that it's =
> beenincorportated in the latest tsk rigs sold in the last year or a bti =
> more from what I have been told I have not found anyone to do the mod =
> here unfortunately I also need to replace the rotary channel encoder =
> the one just above the volume controls cause it's starting to act up 73 =
> b7nla
> On Jan 26, 2011, at 1:41 PM, colin McDonald wrote:
>
>> I know on HF and LW frequencies, space is obviously an issue and =
> that's why=20
>> this antenna is desireable.
>> However, would this antenna be better than say a discone, or even a =
> quarter=20
>> wave vertical on frequencies above 100MHZ?
>> One has to wonder.
>> I mean, if this thing can pull signals out on the VHF band that would =
> be=20
>> unreadable with a quarter wave or 5/8's wave, then definitely worth =
> the=20
>> investment I think.
>> For a scanner or wide band receiver anyway.
>> I find most preamps merely increase the noise level of the noise =
> floor, and=20
>> don't do anything to actually increase the quality of the signal. =
> Sort of=20
>> like having an extra volume control that introduces other unwanted =
> variables=20
>> into the signal path.
>> Yes, it'll make the S meter go up, but that is a factor of the entire =
> noise=20
>> floor being raised up including the faint signal.
>> Perhaps I've never used a really good preamp, but if I hear a signal, =
> then=20
>> turn on the preamp, I don't hear the signal any better than before, =
> just=20
>> louder audio.
>> even in radios like the ts2000, the preamp seems to just increase the =
> noise=20
>> floor and boost up the signals audio and not the actual signal itself.
>> Perhaps they make preamps now that focus on digging the signal out
>> and=20=
>
>> amplifying what you want to hear instead of everything around it.
>> 73
>> Colin, V A6BKX
>> ----- Original Message -----=20
>> From: "Martin McCormick" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Wednesday, January 26, 2011 9:35 AM
>> Subject: Re: Really Big Transmitters
>>=20
>>=20
>>> Maybe we should change the subject line to Really Little
>>> Antennas. I don't know anything about that particular antenna,
>>> but amplified or active antennas have been around for a while
>>> and keep getting better mainly due to FET amplifiers with lower
>>> and lower noise figures.
>>>=20
>>> The only down side to an antenna like this is that when
>>> you use it indoors, it is going to pick up all the crud from all
>>> the gear you are running so you will have an even better way of
>>> listening to your switching power supply, that little switching
>>> circuit that makes compact fluorescent lamps go and lots of
>>> other hash generators.
>>>=20
>>> Also, if you live near a very powerful AM or FM radio
>>> station, you might discover that the powerful transmitter
>>> overloads the preamp in the antenna which could cause you grief
>>> by creating lots of mixing products far away from the frequency
>>> you are trying to hear.
>>>=20
>>> If you have a relatively quiet location, this antenna is
>>> probably fine.
>>>=20
>>> It sounds kind of interesting so let us know if you get
>>> one and listen through it.
>>> Russ Kiehne writes:
>>>> The reason I ask, do you know anything about the following antenna?
>>>> The AOR LA390=20
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