Ext Ops Panel
Open the app

9M2PJU SWR Calculator

Chrome extension by 9M2PJU · Productivity · Tools

A Chrome extension in Productivity · Tools with 11 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
11
Rating
not rated yet
Users, last 15 days
+11
Version
1.0
Updated in the store
2024-10-24
Published
2024-10-24
Manifest
V3
Browser access
No permissions declared

How it has moved

Users
+11 since 01.09
0-11 · 7 readings
  1. 2026-09-010
  2. 2026-09-0311
  3. 2026-09-050
  4. 2026-09-060
  5. 2026-09-089
  6. 2026-09-139
  7. 2026-09-1511
Users
+11 since 01.09
0-11 · 7 readings
  1. 2026-09-010
  2. 2026-09-0311
  3. 2026-09-050
  4. 2026-09-060
  5. 2026-09-089
  6. 2026-09-139
  7. 2026-09-1511

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

We have not read this listing's manifest since we started keeping permission names. The counts above come from the last time we did.

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

9M2PJU publishes 20 listings we track, 322 users between them. Listed website: hamradio.my.

  1. 9M2PJU RSA Key Generator 9M2PJU · Productivity · Tools · published 2024-10-25 50 users
  2. 9M2PJU Easy Recipe Finder 9M2PJU · Lifestyle · Household · published 2024-10-24 29 users
  3. 9M2PJU Text To Morse Code Converter 9M2PJU · Productivity · Tools · published 2024-10-24 29 users
Show 5 more from this publisher
  1. 9M2PJU APRS Pass Code Generator 9M2PJU · Productivity · Tools · published 2024-10-16 26 users ★ 5.0
  2. 9M2PJU Grid Locator Finder 9M2PJU · Productivity · Tools · published 2024-10-23 24 users
  3. 9M2PJU Classic Cipher Tool 9M2PJU · Productivity · Tools · published 2024-10-25 21 users
  4. 9M2PJU Ohm's Law Calculator 9M2PJU · Productivity · Tools · published 2024-10-26 20 users
  5. 9M2PJU Watt to dBm Converter 9M2PJU · Productivity · Tools · published 2024-10-24 18 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. RF Calculator Describes nearly the same job, smaller audience 13 users
  2. RF ＆ Microwave Toolbox lite Describes nearly the same job audience not published
  3. 9M2PJU Watt to dBm Converter Describes nearly the same job, smaller audience 18 users
  4. 9M2PJU Dipole Antenna Calculator Describes nearly the same job, smaller audience 15 users
  5. 9M2PJU Resonance Calculator Describes nearly the same job, smaller audience 7 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.