I recently purchased a GE Monitor Receiver from the estate of a man
who was an offical with a local fire department. The radio is
cosmetically in excellent condition, and I have a few questions about
it that I hope someone in this group may be able to answer.

It is a solid state 2 crystal channnel radio.

Both crystals are marked the same:

19B206
221 PI
47810.000 Khz.

The crystals have 3 leads coming from them.

Does anyone know what frequency these crystals receive on? When I
turn the radio on, all I get is faint static, no voice.

The radio model is NSO 6MDV 66
FCC Receiver Data ER-52-A
Ship Sate 732

Are crystals available anywhere for this radio anymore if I wanted to
change frequencies? Is the radio worth getting repaired?

It really looks good, and I would hate not to get it going again if it
was possible.

Any info or help would be appreciated.

Thanks,

Mark

In article ,
says...

snippety-one

19B206
221 PI
47810.000 Khz.

The crystals have 3 leads coming from them.

Does anyone know what frequency these crystals receive on? When I
turn the radio on, all I get is faint static, no voice.

This is a wild guess, since I'm not familiar with that particular
receiver. I will say that GE was fond of using a 10.700MHz IF, and that
a LOT of FM receiver manufacturers used the combination of third-
overtone crystals and a 10.7 IF.

With that in mind: 47.810MHz times 3 = 143.4300MHz.

Add the 10.700MHz IF to that, and you come up with 154.1300MHz,
one of the more common VHF fire department frequencies.

The radio model is NSO 6MDV 66
FCC Receiver Data ER-52-A

ER-52 sounds like something out of the MASTR-II series, but I
couldn't be sure. I would suggest asking these same questions on the GE
forum of http://radio.the161.net -- I'm sure someone there will know
more than I can tell you.

Are crystals available anywhere for this radio anymore if I wanted to
change frequencies? Is the radio worth getting repaired?

I would be utterly stunned if International Crystal, Bomar, or
some similar manufacturer could not help you in that regard.

Happy hunting.


--
Dr. Anton T. Squeegee, Director, Dutch Surrealist Plumbing Institute.
(Known to some as Bruce Lane, ARS KC7GR,
kyrrin (a/t) bluefeathertech[d=o=t]calm -- www.bluefeathertech.com
"If Salvador Dali had owned a computer, would it have been equipped
with surreal ports?"

"Dr. Anton T. Squeegee" wrote in message
...
In article ,
says...

snippety-one

19B206
221 PI
47810.000 Khz.

The crystals have 3 leads coming from them.

Does anyone know what frequency these crystals receive on? When I
turn the radio on, all I get is faint static, no voice.

This is a wild guess, since I'm not familiar with that particular
receiver. I will say that GE was fond of using a 10.700MHz IF, and that
a LOT of FM receiver manufacturers used the combination of third-
overtone crystals and a 10.7 IF.

With that in mind: 47.810MHz times 3 = 143.4300MHz.

Add the 10.700MHz IF to that, and you come up with 154.1300MHz,
one of the more common VHF fire department frequencies.

The radio model is NSO 6MDV 66
FCC Receiver Data ER-52-A

ER-52 sounds like something out of the MASTR-II series, but I
couldn't be sure. I would suggest asking these same questions on the GE
forum of http://radio.the161.net -- I'm sure someone there will know
more than I can tell you.

Are crystals available anywhere for this radio anymore if I wanted to
change frequencies? Is the radio worth getting repaired?

I would be utterly stunned if International Crystal, Bomar, or
some similar manufacturer could not help you in that regard.

Happy hunting.


--
Dr. Anton T. Squeegee, Director, Dutch Surrealist Plumbing Institute.

Yeah, they could, but last I checked, Bomar was wanting $50 minimum order.
The others were wanting $20, I believe.

Lou

Thanks for the information. I have contacted the manufacturers
concerning availablity.
Can anyone recommend a tech in the St Louis MO area that would be able
to tweak this radio.

Thanks again,

Mark