Apps by GRAHAM JOHN SMITH
RF Engineer's Calc app icon

Utilities

RF Engineer's Calc

GRAHAM JOHN SMITH

Free download In-app purchases unconfirmed
Open on Apple

About this app

A simple RF Engineer's Calculator. Convert Watts to dBm, calculate dBm power changes, convert Return Loss to VSWR, etc...

Latest release

What’s New

Version 1.12 Oct 17, 2024

Calculate dBm Power Changes corrected to dB DTV Calculator Page - Frequency corrected to display Khz instead of Mhz DTV Calculator Page - Offset Button now dynamically updates the Frequency, no need to press Calc Frequency again DTV Calculator Page - Freq Error diagram changed to more clearly reflect the T and T2 Pilot Frequencies expected & T2 Pilot Frequency corrected

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
0 ratings
0 Sep 1, 2026 · 0 ratings Sep 1, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Sep 1, 2026 · Free Sep 1, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Sep 1, 2026 · 2:44 PM Free

Screenshots

RF Engineer's Calc iPhone screenshotRF Engineer's Calc iPhone screenshot