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Sender:
For blind ham radio operators <[log in to unmask]>
Date:
Tue, 3 Sep 2013 15:07:23 -0700
Reply-To:
For blind ham radio operators <[log in to unmask]>
Subject:
Re: MFJ Noise Bridge: Another Question
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From:
Butch Bussen <[log in to unmask]>
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73
Butch
WA0VJR
Node 3148
Wallace, ks.


Can you leave the 202 in line?  On Tue, 3 Sep 2013, Dave Basden wrote:

> The 212B is preset to 50 ohms and has only an off/on switch.  The 202
> requires adjustment so is harder for a blind person to use, but is
> more versatile.
>
> 73,
>
> Dave, W7OQ
>
> At 10:38 AM 9/3/2013, you wrote:
>> How is the MFJ 212 different than the MFJ 202? I have one of the
>> latter and there's no charger jack.  It only runs off the
>> internal 9 VDC battery.  I hooked it up once to my receiver and
>> tuned for a null but have no idea what kind of readings the knobs
>> on the front may be giving me.  I assume there must be some
>> numbers that correspond with the antenna resonance point or
>> something.  Jim WA6EKS
>>
>>  ----- Original Message -----
>> From: "Howard, W A 9 Y B W" <[log in to unmask]
>> To: [log in to unmask]
>> Date sent: Tue, 3 Sep 2013 11:17:32 -0500
>> Subject: Re: MFJ Noise Bridge: Another Question
>>
>> Tom,
>>
>> I measured the polarity of the MFJ suggested wall wart that will
>> work with
>> the Noise Bridge and the center of the DC plug is positive as Pat
>> indicated.
>>
>> 73
>>
>> Howard #3
>>
>> ----- Original Message -----
>> From: "Tom Behler" <[log in to unmask]
>> To: <[log in to unmask]
>> Sent: Tuesday, September 03, 2013 8:34 AM
>> Subject: MFJ Noise Bridge: Another Question
>>
>>
>>  Hi, all.
>>
>>  I have another question about the MFJ Noise Bridge we have been
>>  discussing.
>>
>>  I checked the MFJ web site, and found the MFJ 212 listed at a
>> cost of $99,
>>  which is what I expected.
>>
>>  They indicate that the device can be run either via a direct DC
>>  connection,
>>  or a wallwart power supply, which costs another $14.
>>
>>  Rather than spending the $14 on the extra wallwart, I'd rather
>> run the
>>  unit
>>  off my rig runner via an Anderson Power Pole connection.
>>
>>  However, I'm not sure how the plug for the DC connection should
>> be wired.
>>  For example, is the tip positive?
>>
>>  In general, I'd be interested in how others on the list who have
>> the noise
>>  bridge power the unit.
>>
>>  Tom Behler: KB8TYJ
>
>

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