IIrc, the MFJ dip plug is a 100-ohm resistor in series with a few-turn
coupling loop. The 2:1 VSWR will "dip" when something "resonant" sucks some
energy out of the coupling loop. 73 Dave W8FGX
----- Original Message -----
From: "Eric - VE3GSI" <ve3gsi@sympatico.ca>
To: "Towertalk e-Goups" <TowerTalk@contesting.com>
Sent: Sunday, August 03, 2008 10:17 AM
Subject: [TowerTalk] MFJ-66 Dip Coils
> In another post, Dave - N4ZKF wrote:
>
>
>
>> Check the traps ON the antenna with a grid dip meter or the MFJ grid dip
> attachment for the their analyzer.
>
>
>
> This is the first time I have read about the grid dip accessories and
> eventually found them as MFJ-66 Dip Coils on the MFJ enterprises web-site.
> Since I have an older Heath Dipper with all the dip coils it looks like I
> should be able to adapt them. (maybe?)
>
>
>
> Has anyone taken up this marriage of the Heath dip coils and the MFJ-269
> analyzer? If so, any pitfalls I should be aware of?
>
>
>
> Or, if I decide to purchase the MFJ-66 coils, are they worth the money? Or
> is this MFJ accessory even worth the effort.
>
>
>
> All ideas welcome,
>
> Eric - VE3GSI
>
>
>
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>
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