HAM RADIO INDUCTANCE COIL WIRE, 22 AWG 22 GA, 24 Feet, MW SW Tube or Transistor

COIL  FORM  IS  NOT FOR  SALE.  WIRE  ONLY.

New Old Stock Black 22 AWG 22 GA BELL SYSTEMS Wire

WIRE  FORM  IS NOT FOR SALE.  WIRE ONLY!

Genuine BELL SYSTEMS 842691784
Single Black 22 AWG 22 GA WIRE
BELL DP-2, DP-1, BW
Vintage 1982

Winds 21-22 turns per inch around any diameter coil form.

Sold in 24 foot lengths. Multiple lengths are shipped as one continuous wire.

A single layer air core close-wound inductance coil is common, especially for design of shortwave and medium wave amateur radio bands.
The basic advantage of single-layer coils is high Q-factor, relatively small self-capacitance.

INDUCTANCE OF THE COIL
The methods of calculation inductance of a one-layer inductor without a gap between the turns (close-winding).

Please study the photos. WYSIWYG (What you see is what you get).  New Old Stock Black 22 AWG Genuine BELL SYSTEMS 842691784. PERFECT CONDITION. Sold in 24 foot lengths. Multiple lengths are shipped as one continuous wire.