Coaxcraft: Antenna Bench

Sweeps, Feedlines & Trim Runs

$2.99 · Designed for iPad. Not verified for macOS.

Record sweeps, estimate wavelength, line loss, mismatch loss, and delivered power, compare trim runs, and export complete bench notes offline. Coaxcraft is an offline experiment notebook for amateur-radio and RF builders comparing real antenna and feedline revisions. Keep antenna revisions, analyzer sweeps, feedline identity, trim steps, mount context, weather, and observed results in a private experiment lineage. KEY FEATURES - Antenna, revision, mount, and feedline cards - Frequency, SWR, impedance, and sweep observations - Wavelength, matched-line, and mismatch-loss arithmetic - Controlled trim and configuration comparisons - Weather and installation context - PDF antenna experiment brief - Optional local photos through Apple's Photos picker - Local PDF project brief - 230 original offline reference plates - No account, ads, analytics, tracking, subscription, or network requirement Coaxcraft is a documentation and idealized RF arithmetic tool. It does not connect to analyzers or radios, measure radiation or efficiency, approve an antenna, assess RF exposure, lightning or structural safety, or replace license conditions, calibrated instruments, manufacturer data, and qualified RF guidance.

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The developer, Robert Corbin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

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    Information

    Seller
    • Robert Corbin
    Size
    • 178.6 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Age Rating
    4+
    Copyright
    • © 2026 Robert Corbin
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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