[Johnson] Ranger II FM-ing on 40m Only
Robert Lawson
[email protected]
Mon, 23 Feb 2004 09:58:09 -0600
Hi Philip,
Yep, I out boarded the 18k resistor with a 5 watt, and also replaced
the VR tube with a 150 volt 5 watt zener. Forgot to mention that.
And thanks to you Cal for your suggestion.
Robert
Philip Atchley wrote:
>Robert,
>You didn't say whether you've done it or not, but you might try replacing
>the Voltage Regulator tube in the VFO as well as checking/replacing the
>large dropping resistor to it (I relocated my resistor outside the VFO).
>
>73 from the "Beaconeers Lair".
>Phil, KO6BB
>
>DX begins at the noise floor!
>Merced, Central California
>37.18N 120.29W CM97sh
>
>
>
>>Fellows,
>>
>>I have a factory built Johnson Ranger II that fm's a few hundred cycles
>>only on 40 meters. All of the other bands are stable. Also with a 7.175
>>mhz crystal it is stable. Only in the 40 meter VFO mode does it give me
>>this problem. The transmitter has been recapped and the VFO aligned..
>>It fm's with a resonate antenna and also into a dummy load. Several
>>microphones have been used. The input voltage is 110 vac (variac).
>>
>>Any ideas?
>>
>>Thanks in advance.
>>
>>73 Robert W4RL Pensacola Florida
>>
>>
>
>
>
>
>
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