---
title: "CATS v7 n12"
id: 38909
type: "issue"
slug: "cats-v7-n12"
url: "http://localhost/issue/cats-v7-n12/"
markdown_url: "http://localhost/issue/cats-v7-n12.md"
published_at: "2022-05-29T22:45:11+00:00"
modified_at: "2026-01-20T21:58:32+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/05/20230524-115912-1.jpg"
category:
  - name: "CATS Newsletter"
    slug: "cats-newsletter"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/cats-newsletter/"
  - name: "Periodicals"
    slug: "periodicals"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/"
periodical_issues:
  - id: 35941
    title: "CATS Newsletter"
    type: "periodical"
    url: "http://localhost/periodical/cats-newsletter/"
volume: "7"
number: "12"
issue_date: "April 1990"
issues_articles:
  - id: 62767
    title: "April Meeting"
    type: "article"
    url: "http://localhost/article/presidential-ramblings-38/"
  - id: 62768
    title: "From the Editor"
    type: "article"
    url: "http://localhost/article/from-the-editor-59/"
  - id: 62769
    title: "Potpourri"
    type: "article"
    url: "http://localhost/article/potpourri-15/"
  - id: 62770
    title: "The C Column"
    type: "article"
    url: "http://localhost/article/the-c-column-3/"
  - id: 62771
    title: "Build Your Own Surge Suppressor"
    type: "article"
    url: "http://localhost/article/build-your-own-surge-suppressor-2/"
  - id: 62772
    title: "Customising Your QL"
    type: "article"
    url: "http://localhost/article/customising-your-ql/"
archiveurl: "https://archive.org/details/cats-newsletter/CATS%20v7%20n12%20April%201990"
---

# CATS v7 n12