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
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
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
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 1, 2026 · 2:44 PM Free