I've seen several VHF/UHF meters over the years that have a switch on them
or something for bands. I'm not sure why, but I'm trying to think of one
I've come across that didn't and can't do it.
----- Original Message -----
From: "Senk, Mark J. (CDC/NIOSH/NPPTL)" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, February 27, 2008 8:36 AM
Subject: Re: TW2 question
> What happens if you transmit through the TW2 with the band on the =
> incorrect setting?
>
> I wonder if they switch a tuned circuit. =20
> If not, maybe they apply some factor to compensate for power =
> sensitivity. So, if you send 5 watts on 6 meters and the meter is set =
> to 2 meters, it might read higher. And higher yet when set to 1.25 =
> meters. =20
> Since the SWR is a ratio, it ought to remain the same regardless of the =
> TW2 band setting.
> If you plan to experiment, use a 50 ohm load and low power.
>
> Hey, don't call me if experimentation damages your TW2. =20
>
> Mark
> =20
>
>
> Mark J. Senk | 412-386-6513 | [log in to unmask]
> <img =
> src=3D"http://212.179.113.209/QRCode/img.php?d=3DBEGIN%3AVCARD%0AN%3AMark=
> %20J.%20Senk%0ATEL%3A412-386-6513%0AEMAIL%3Azia7%40cdc.gov%0AEND%3AVCARD&=
> c=3DContact%20Mark%20Senk&s=3D4"
> alt=3D"QR4Senk" />=A0
>
> -----Original Message-----
> From: For blind ham radio operators =
> [mailto:[log in to unmask]] On Behalf Of John Miller
> Sent: Tuesday, February 26, 2008 10:02 PM
> To: [log in to unmask]
> Subject: Re: TW2 question
>
> you push the outer 2 most buttons for 1 second and it will say what band =
> you're on, again changes it to the next band, it will say in voice what =
> band it's going in to.
> ----- Original Message -----
> From: "Lou Kline" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Tuesday, February 26, 2008 8:53 PM
> Subject: Re: TW2 question
>
>
>> How do you set the band? I don't see anything on mine that looks like =
>
>> a band selector.
>>
>> --Lou K2LKK
>>
>>
>>
>> At 02:41 PM 2/26/2008 -0500, you wrote:
>>>Ah-ha. When all else fails read the manual. I got my TW-2 just=20
>>>before Christmas only because they were being discontinued and figured =
> I should
>>>grab it. Plugged it in to hear it speak, but have never used it or =
> read
>>>the manual So now I see how to set the band.
>>>
>>>many tnx Butch and John. I would have been very confused if I had=20
>>>tried using it without setting the band.
>>>
>>>73, Steve KW3A
>>>----- Original Message -----
>>>From: "Butch Bussen" <[log in to unmask]>
>>>To: <[log in to unmask]>
>>>Sent: Tuesday, February 26, 2008 2:20 PM
>>>Subject: Re: TW2 question
>>>
>>>
>>> > You do have to select ehe band on the tw2, it goes from 50, 144,=20
>>> > 220, and 440. I don't know how broad these bands are, but=20
>>> > certainly not that narrow. These types of readings are all=20
>>> > relative anyhow. I'm sure the
>>> > 6 meter band would be close enough for the 70 meg band. BTW, what=20
>>> > was the web page that had the a c adapters? I called a e s and=20
>>> > they didn't have a clue, said they didn't have anything.
>>> > 73s
>>> > Butch Bussen
>>> > wa0vjr
>>> >
>>> > On Tue, 26 Feb 2008, Steve
>>> > Forst wrote:
>>> >
>>> >> Tim,
>>> >>
>>> >> LDG is *very* good at answering e-mails. I would contact them and =
>
>>> >> try and get the real answer.
>>> >>
>>> >> [log in to unmask]
>>> >>
>>> >> since it is microprocessor controlled, there may be something=20
>>> >> encoded that will not allow you to do what you want.
>>> >>
>>> >> I must admit I am confused about what John said. While the =
> manual=20
>>> >> says
>>> >> something like "Simply select the band you wish to operate on..."=20
>>> >> I assumed it was refering to selecting the band on your=20
>>> >> transceiver, not on the TW-2.
>>> >> The only controls I am aware of on my TW-2 are the same as on the
>>> >> TW-1: F
>>> >> power, R power and swr buttons and a volume knob. Maybe I am=20
>>> >> missing something besides my hair.
>>> >>
>>> >> 73, Steve KW3A.
>>> >>
>>> >>
>>> >> ----- Original Message -----
>>> >> From: "John Miller" <[log in to unmask]>
>>> >> To: <[log in to unmask]>
>>> >> Sent: Tuesday, February 26, 2008 11:33 AM
>>> >> Subject: Re: TW2 question
>>> >>
>>> >>
>>> >>> I know you have to change bands on it, but how far it extends to=20
>>> >>> I don't know, for example, I can use the 440 setting to measure=20
>>> >>> GMRS in the
>>> >>> 467
>>> >>> range, where I checked mine and it works. I know you have to set=20
>>> >>> the band, but how far each one actually extends to is a good=20
>>> >>> question.
>>> >>> ----- Original Message -----
>>> >>> From: "Tim Crawford" <[log in to unmask]>
>>> >>> To: <[log in to unmask]>
>>> >>> Sent: Tuesday, February 26, 2008 11:27 AM
>>> >>> Subject: TW2 question
>>> >>>
>>> >>>
>>> >>>> Hi,
>>> >>>>
>>> >>>> Does the TW2 measure continuously between 50 and 144 mhz, or are =
>
>>> >>>> the =3D bands set as defined ranges?
>>> >>>>
>>> >>>> Reason for asking is that here in the UK, we have a frequency=20
>>> >>>> allocation =3D at 70mhz, (4 meters).
>>> >>>>
>>> >>>> Cheers,
>>> >>>>
>>> >>>> Tim, (GI4OPH)
>>> >>>>
>>> >>>
>>> >>>
>>> >>>
>>> >>
>>> >
>>> >
>>> >
>>>
>>>
>>>
>>>
>>>--
>>>No virus found in this incoming message.
>>>Checked by AVG Free Edition.
>>>Version: 7.5.516 / Virus Database: 269.21.1/1300 - Release Date:=20
>>>2/26/2008 7:50 PM
>>
>> Louis Kim Kline
>> A.R.S. K2LKK
>> Home e-mail: [log in to unmask]
>> Work e-mail: [log in to unmask] Work Telephone: (585) 697-5740
>>=20
>
|
