---
title: "Maximum Usable Frequency Program"
type: "article"
slug: "maximum-usable-frequency-program"
url: "http://localhost/article/maximum-usable-frequency-program/"
markdown_url: "http://localhost/article/maximum-usable-frequency-program.md"
published_at: "2026-01-15T13:46:57+00:00"
modified_at: "2026-01-15T13:46:58+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "This program, named TSMUF-4, is enhanced version of Bob's previous program TSMUP-2 and details on upgrading, as well as the program description follows the program listing. Bob notes that this program is not to be used for commercial purposes!"
category:
  - name: "QZX"
    slug: "qzx"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/qzx/"
post_tag:
  - name: "Amateur radio"
    slug: "amateur-radio"
    taxonomy: "post_tag"
    url: "http://localhost/tag/amateur-radio/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
  - name: "Type-in program"
    slug: "type-in-program"
    taxonomy: "post_tag"
    url: "http://localhost/tag/type-in-program/"
model:
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
indiv:
  - name: "Bob O'Leary (KQ2F)"
    slug: "bob-oleary-kq2f"
    taxonomy: "indiv"
    url: "http://localhost/indiv/bob-oleary-kq2f/"
publication_r:
  id: 21219
  title: "QZX"
  type: "periodical"
  url: "http://localhost/periodical/qzx/"
authors_r:
  - name: "Bob O'Leary (KQ2F)"
    slug: "bob-oleary-kq2f"
    taxonomy: "indiv"
    url: "http://localhost/indiv/bob-oleary-kq2f/"
volume: "1"
issue: "8-9"
issues_articles:
  - id: 62164
    title: "QZX v1 n8-9"
    type: "issue"
    url: "http://localhost/issue/qzx-v1-n8-9/"
pages: "21-22, 24"
pubdate: "July & August 1983"
archive_link: false
---

# Maximum Usable Frequency Program

This program, named TSMUF-4, is enhanced version of Bob’s previous program TSMUP-2 and details on upgrading, as well as the program description follows the program listing. Bob notes that this program is not to be used for commercial purposes!