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Old November 19th 05, 09:03 PM posted to rec.radio.shortwave
JerryJ
 
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Default Drake R8B VFO adjustment

Here is the adjustment point:
http://www.bluegrassdavinci.com/gall...keR8BVFOAdjust

Let the radio warm up for a few hours to get thermally stable, and then
flip upside down, remove the cover and make your adjustment. I
generally adjust for WWV at 10 MHz. You may need a small flashlight to
shine into the adjustment hole to make it easier.

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Old November 19th 05, 09:32 PM posted to rec.radio.shortwave
Telamon
 
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Default Drake R8B VFO adjustment

In article .com,
"JerryJ" wrote:

Here is the adjustment point:
http://www.bluegrassdavinci.com/gall...keR8BVFOAdjust

Let the radio warm up for a few hours to get thermally stable, and then
flip upside down, remove the cover and make your adjustment. I
generally adjust for WWV at 10 MHz. You may need a small flashlight to
shine into the adjustment hole to make it easier.


A picture is worth many words. Thank you very much.

--
Telamon
Ventura, California
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Old November 20th 05, 03:09 AM posted to rec.radio.shortwave
Brian Denley
 
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Default Drake R8B VFO adjustment

Telamon wrote:
In article .com,
"JerryJ" wrote:

Here is the adjustment point:
http://www.bluegrassdavinci.com/gall...keR8BVFOAdjust

Let the radio warm up for a few hours to get thermally stable, and
then flip upside down, remove the cover and make your adjustment. I
generally adjust for WWV at 10 MHz. You may need a small flashlight
to shine into the adjustment hole to make it easier.


A picture is worth many words. Thank you very much.


Yeah it's pretty easy to do and the trimpot is not that sensitive. The
Drake service manual recommends reading pin 1 of U35 and adjust until it
reads 35.00000 MHz +/- 10 Hz if the receiver has been warmed up for at least
2 hours -or set it to 35.00017 MHz +/- 10 Hz at room temp (if you don't
want to wait). Setting to WWV is, of course, just fine also.

--
Brian Denley
http://home.comcast.net/~b.denley/index.html


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Old November 20th 05, 12:42 AM posted to rec.radio.shortwave
David
 
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Default Drake R8B VFO adjustment

On 19 Nov 2005 13:03:45 -0800, "JerryJ" wrote:

Here is the adjustment point:
http://www.bluegrassdavinci.com/gall...keR8BVFOAdjust

Let the radio warm up for a few hours to get thermally stable, and then
flip upside down, remove the cover and make your adjustment. I
generally adjust for WWV at 10 MHz. You may need a small flashlight to
shine into the adjustment hole to make it easier.

That be it.

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