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Re: Tesla Receiver Coil

Original poster: "Gary Peterson" <gary@xxxxxxxxxxxx>


Original poster: Mark Barlow <barlow_tesla_lst@xxxxxxxxx> 

. . . Let me know if you have any specs on
your receiver coils . . .


These are the specs of the receiving transformer used for the S5 reception
at 1000 meters on July 27, 2002.

Coil form: Single layer of craft paper w/ 3/32" acrylic ends,
   coated w/ polyurethane finish
Form diameter: 11"
Form length: 18"
Primary wire size: #22 AWG
Turns: 630 (approx.)
Winding length: 17.5"
Inductance: 57.5 mH
Resistance: 28.5 ohms
Height of bottom turn above ground: 16.5"
Secondary wire size: #18 AWG (cord)
Turns: 18 (ends left open during test)
Winding length: 1.68", first turn starting 0.875" above bottom pri. turn
Elevated terminal: aluminum foil rolled on to a 7/8" wooden dowel
Width: 18"
Length: 17.25" (spooled off of dowel)
Maximum height above top turn: 6' 5" (approx.)
Ground terminal wire: 57.5' #14 AWG (cord; connected to water main)
Frequency: 107,830 Hz
LF receiver: Realistic DX-302 Quartz-Synthesized Communications
   Receiver with preselector

Photos of this receiving transformer with a different elevated terminal can be viewed at http://www.tfcbooks.com/tesla/trx-rcv.htm.

Gary Peterson

Mark Barlow