Welcome to Signals Everywhere!

If you're interested in Software Defined Radio and want to learn more about it you've come to the right place. Here you'll find video tutorials, a dedicated podcast and a support forum all here to help you take your SDR game to the next level.

Radio Tools

All tools →
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Frequency Converter
Convert between Hz, kHz, MHz and GHz instantly.
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Wavelength Calculator
Calculate wavelength and antenna cut lengths from frequency.
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Doppler Shift Calculator
Calculate Doppler-corrected uplink/downlink frequencies for satellite passes.
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STB DATV Calculator
Find the transponder frequency your set-top box needs when bypassing the LNB for DATV.
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Coming Soon
Another radio tool is on the way.
🚧
Coming Soon
Another radio tool is on the way.

Latest Posts

All posts →
RTL-Relay
## RTL-Relay: Expose Your RTL-SDR to the Internet in One Command If you’ve ever wanted to share your SDR reception with a friend across the country — or let multiple people tune the same dongle simultaneously — you know …
P25Time Using Phase 1 P25 Control Channels as an NTP Time Source.
There are a lot of interesting things hiding in plain sight on a P25 control channel. Most people think of control channels as the place where trunking assignments, affiliations, and system housekeeping live. That’s true…
Introducing PrideDMR.Net
A New Home on the Digital Spectrum Today I’m excited to introduce something I’ve been quietly working on behind the scenes: PrideDMR . PrideDMR is a safe, decentralized Digital Mobile Radio network built for and by the L…
Pocket25 — P25 Radio on Android
I’ve been working on a new Android app called Pocket25 , and it’s finally ready to share. Pocket25 turns your Android phone into a full-featured P25 digital trunking scanner using an inexpensive RTL-SDR dongle. It’s buil…
Sarah's Forge.Dev
What I’ve Been Forging: Darknets, IPTV Scanners, and Overlay Networks If you’ve been wondering why I’ve been quiet here lately, it’s because I’ve been deep in the code mines. I’ve been spending a lot of time over at Sara…