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Ten-Tec Crystal Calibrator Model 206 for the Argonaut 509 New in Original Box

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MPN:
206
Condition:
Used
Shipping:
$10.00 (Fixed Shipping Cost)
  • Ten-Tec Crystal Calibrator Model 206 for the Argonaut 509 New in Original Box
  • Ten-Tec Crystal Calibrator Model 206 for the Argonaut 509 New in Original Box
  • Ten-Tec Crystal Calibrator Model 206 for the Argonaut 509 New in Original Box
  • Ten-Tec Crystal Calibrator Model 206 for the Argonaut 509 New in Original Box
  • Ten-Tec Crystal Calibrator Model 206 for the Argonaut 509 New in Original Box
$79.99
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Description

Ten-Tec Crystal Calibrator Model 206 for the Argonaut 509.

Description

  • 100 kHz pulsed output
  • Requires 9 - 12 VDC at 8 mA
  • Adjustable to WWV with internal variable capacitor
  • Connects in series with receiver antenna lead

 

Ten-Tec Model 206 Crystal Calibrator is a vintage accessory specifically designed for the Argonaut 509 (introduced around 1974–1977). It provides a 100 kHz pulsed crystal calibrator signal injected into the receiver's antenna line, generating accurate frequency markers every 100 kHz across the HF bands for precise dial calibration and band edge checks. This was a popular add-on for QRP operators using the Argonaut 509, as the rig lacked a built-in calibrator.Key Details and Specifications
  • Function: Pulsed 100 kHz harmonics for calibration (no dual 25/100 kHz like the later 206A for the Argonaut 515).
  • Power: 12 VDC (powered from the rig or external supply).
  • Connection: Inline with the antenna coax (simple plug-in installation).
  • Era: Mid-1970s, part of the accessory line for the Argonaut 509 (alongside the 208 CW filter, 210 power supply, etc.).
  • Build: Compact, often sold assembled or as a kit option.
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