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VK6ADA - Mike Peace
  • Home
  • Vintage Radios
    • Boat Anchor Legends
      • Boat Anchors Legends Index
    • Boat Anchor Magazines
      • Electric Radio Magazine
    • Vintage Hammarlund
      • Perry Sandeen’s Hammarlund SP-600 Anthology 
      • Radio Boulevard – Hammarlund SP-600 Receivers
    • Vintage Collins
      • QTH Collins Archive
      • Collins KWM-2 & KWM-2A
      • Collins R388 HF Receiver
      • Collins R390 HF Receiver
        • Collins R390 Parts Vendors
          • Collins R390 Solid State
      • Collins R390A HF Receiver
        • R-390 Series Frequently Asked Questions (FAQ)
      • Collins R392 HF Receiver
        • Collins R390 vs R392 Comparison
      • Collins 51J Receiver
        • Modify Collins 51J for SSB
      • Collins S-Line
        • S-Line / KWM-2 Crystals by WA3KEY
        • Collins 75A-4 Receiver Photos
        • Collins 75S-1 Receiver
      • Collins Service Bulletin Index
      • F5TEV Collins Posts
      • Virtual Collins Radio Museum – WA3KEY
      • My Collins Collection
        • Collins 75A-4 Receiver Project
        • Collins 32V-2 Transmitter
        • Collins KWS-1 Transmitter
        • Collins 75S-1 Receiver Project
        • Collins 75S-2 Receiver (RARE)
        • Collins MP-1 Power Supply Project
        • Collins 30L-1 Amplifier Project
        • Collins 312B-4 Speaker Console
        • Collins 180S-1 Tuner – K5APL41
    • Boatanchor Archives
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      • QST 1915 – 1969
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    • Hollow State Newsletter – Complete Topic Index
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  • RFI
    • Collins 516F-2 Power Supply RFI Analysis and Mitigation
    • Collins 51S-1 / 1A / 1F / 1AF / 1B — AM, CW & SSB Receiver RFI Mitigation Strategies
    • Collins KWM-2A HF Transceiver RFI Analysis and Receiver Noise Mitigation
    • RGO ONE Transceiver RFI Mitigation
  • CCA
    • Collins Collectors Association Technical Bulletins, Archives, and Community Resources — A Practical Guide
  • Restoration
    • Alpha HF Amplifiers
      • Alpha 87A Linear Amplifier: Restoration & Service Guide
      • Alpha / ETO 91B Linear Amplifier: Restoration & Service Guide
      • Alpha 8410 Linear Amplifier: Restoration & Service Guide
      • Alpha 9500 Linear Amplifier: Restoration & Service Guide
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      • Collins 180S-1 Jumper Plug Reproduction
      • Collins MP-1 power supply restoration kit
      • Collins R-388 Receiver Cabinet Restoration
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      • Collins R390A Receiver Restoration Guide
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      • Emtron DX-1A Linear Amplifier: Restoration & Service Guide
      • Emtron DX-1D Linear Amplifier: Restoration & Service Guide
      • Emtron DX-1SP Linear Amplifier: Restoration & Service Guide
      • Emtron DX-1V Linear Amplifier: Restoration & Service Guide
      • Emtron DX-2 Linear Amplifier: Restoration & Service Guide
      • Emtron DX-2A Linear Amplifier: Restoration & Service Guide
      • Emtron DX-2SP Linear Amplifier: Restoration & Service Guide
      • Emtron DX-2V Linear Amplifier: Restoration & Service Guide
      • Emtron DX-3 Linear Amplifier: Restoration & Service Guide
      • Emtron DX-3SP Linear Amplifier: Restoration & Service Guide
      • Emtron DX-4 Linear Amplifier: Restoration & Service Guide
    • Hammarlund
      • Hammarlund SP-600 JX-16 Restoration Guide
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      • Heathkit SB-200 Linear Amplifer Restoration Guide
      • Heathkit SB-220 Linear Amplifier Restoration Guide
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      • Henry Radio HF Linear Amplifiers: Omnibus Restoration & Service Guide
    • Join the Vintage Amateur Radio Restoration Group
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      • VK6ADA QRZ Page
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VK6ADA - Mike Peace
  • Yaseu FT-901 Transceiver

Yaesu FT-901 Series Failure Prevention Kit — Component & Modification Design

vk6ada.com.au • Yaesu FT-901 Technical Series Yaesu FT-901 SeriesFailure Prevention Kit — Component & Modification Design A complete engineering analysis of the ten predictable FT-901 failure modes spanning the PLL synthesiser, receive section, transmit/PA section, and power supply. Covers all…

  • Mike Peace
  • March 29, 2026
  • Yaesu FT-101EE Transceiver

Yaesu FT-101EE Transceiver Failure Prevention Kit — Component & Modification Design

vk6ada.com.au • Yaesu FT-101EE Technical Series Yaesu FT-101EE TransceiverFailure Prevention Kit — Component & Modification Design A complete engineering analysis of the ten predictable FT-101EE failure modes across transmit and receive sections. The FT-101EE was the most widely sold variant…

  • Mike Peace
  • March 29, 2026
  • Yaesu FT-101E Transceiver

Yaesu FT-101E Series Failure Prevention Kit — Component & Modification Design

vk6ada.com.au • Yaesu FT-101E Technical Series Yaesu FT-101E SeriesFailure Prevention Kit — Component & Modification Design A complete engineering analysis of the ten predictable FT-101E failure modes across both the transmit and receive sections, with a structured two-tier component replacement…

  • Mike Peace
  • March 29, 2026
  • Yaesu FL-101 HF Transmitter

Yaesu FL-101 Transmitter Failure Prevention Kit — Component & Modification Design

vk6ada.com.au • Yaesu FL-101 Technical Series Yaesu FL-101 TransmitterFailure Prevention Kit — Component & Modification Design A complete engineering analysis of the ten predictable FL-101 failure modes, with a structured two-tier component replacement kit and four preventive modifications. Covers all…

  • Mike Peace
  • March 29, 2026
  • Yaesu FR-101 HF Receiver

Yaesu FR-101 Receiver Series – Failure Prevention Kit — Component & Modification Design

vk6ada.com.au • Yaesu FR-101 Technical Series Yaesu FR-101 SeriesFailure Prevention Kit — Component & Modification Design A complete engineering analysis of the ten predictable FR-101 failure modes, with a structured two-tier component replacement kit and four preventive modifications. Covers both…

  • Mike Peace
  • March 29, 2026
  • Lafayette HA-350 HF Receiver

Lafayette HA-350 Receiver Series Failure Prevention Kit — Component & Modification Design

vk6ada.com.au • Lafayette HA-350 Technical Series Lafayette HA-350Failure Prevention Kit — Component & Modification Design A complete engineering analysis of the ten predictable HA-350 failure modes, with a structured two-tier component replacement kit and four preventive modifications. Covers all production…

  • Mike Peace
  • March 29, 2026
  • Hammarlund HQ-110

Hammarlund HQ-110 Series Failure Prevention Kit — Component & Modification Design

vk6ada.com.au • Hammarlund HQ-110 Technical Series Hammarlund HQ-110 SeriesFailure Prevention Kit — Component & Modification Design A complete engineering analysis of the ten predictable HQ-110 failure modes, with a structured two-tier component replacement kit and four preventive modifications. Covers all…

  • Mike Peace
  • March 29, 2026
  • Hammarlund HQ-180

Hammarlund HQ-180 Series Failure Prevention Kit — Component & Modification Design

vk6ada.com.au • Hammarlund HQ-180 Technical Series Hammarlund HQ-180 SeriesFailure Prevention Kit — Component & Modification Design A complete engineering analysis of the ten predictable HQ-180 failure modes, with a structured two-tier component replacement kit and four preventive modifications. Covers all…

  • Mike Peace
  • March 28, 2026
  • Collins 51S-1 Receiver

Collins 51S-1 Receiver Failure Prevention Kit — Component & Modification Design

vk6ada.com.au • Collins 51S-1 Technical Series Collins 51S-1Failure Prevention Kit — Component & Modification Design A complete engineering analysis of the ten predictable Collins 51S-1 failure modes, with a structured two-tier component replacement kit and four preventive modifications. Covers all…

  • Mike Peace
  • March 28, 2026
  • Collins KWM-2 and KWM-2A

KWM-2 / KWM-2A Failure Prevention Kit — Component & Modification Design

vk6ada.com.au • Collins KWM-2 / KWM-2A Technical Series KWM-2 / KWM-2AFailure Prevention Kit — Component & Modification Design A complete engineering analysis of the ten predictable KWM-2/2A failure modes, with a structured two-tier component replacement kit, four preventive circuit modifications,…

  • Mike Peace
  • March 28, 2026
  • Collins R390 Receiver

R-390/URR Failure Prevention Kit — Component & Modification Design

vk6ada.com.au • Collins R-390/URR Technical Series R-390/URRFailure Prevention Kit — Component & Modification Design A complete engineering analysis of the ten predictable R-390/URR failure modes, with a structured two-tier component replacement kit and four preventive circuit modifications. The R-390/URR is…

  • Mike Peace
  • March 28, 2026
  • Collins R388 Receiver

R-388/URR Failure Prevention Kit — Component & Modification Design

vk6ada.com.au • Collins R-388/URR Technical Series R-388/URRFailure Prevention Kit — Component & Modification Design A complete engineering analysis of the ten predictable R-388/URR failure modes, with a structured two-tier component replacement kit and four preventive circuit modifications to eliminate them…

  • Mike Peace
  • March 28, 2026
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