See what’s on air right now
“Now on air” markers show which broadcasts are live at this moment. Find a schedule, then tune in through a nearby WebSDR or KiwiSDR receiver.
World Radio TV Handbook The world’s broadcasting guide Live. Searchable. Always current.
For 80 years, WRTH has been the reference for everyone who listens to, works in, or builds for international broadcasting. The WRTH Web App puts the complete handbook in your browser, updated regularly throughout the year, with live “now on air” information no printed book could offer.
€49.99 · USD 55.99 · £41.99 pre-order until 30 November 2026
then €59.99 · USD 66.99 · £49.99
9420 kHz31 m band
Shortwave · 2–26 MHzThe amber marks are the international shortwave broadcast bands.
Printed1947–2026Now digital
WRTH is now digital-only
After eight decades in print, WRTH 2026 was our final printed edition. From 2027, WRTH is published exclusively as a Web App: the same trusted data, edited by the same team, without waiting a year for corrections.
What the Web App does
Covers LW, MW (AM), SW, FM, DAB, DRM, HD Radio and terrestrial TV.
Find it in seconds
Exact-match search across the whole database by station, frequency or country.
Contact any station in one click
Email, phone, social media and streaming links on every station page. Ideal for QSL requests, listener feedback and professional contact.
Updated all year
Schedules change and stations come and go. The Web App is refreshed regularly, so you’re never working from last year’s data.
Any device, nothing to install
Runs in your browser on desktop, tablet or phone.
Who uses WRTH
DXers
Identify what you hear
Check frequencies and schedules to identify distant and difficult stations, find contact details for QSL requests, and tune in through a nearby WebSDR or KiwiSDR.
Listeners
Find something worth listening to
See what’s on air right now, browse programme schedules from around the world, and listen online through the station’s own stream.
Broadcast professionals
Reach the right contact
Engineers, broadcasters and regulators use WRTH to see who is on air, where and when, and to reach the right person.
Media and journalists
Check the facts behind the story
Find out who is broadcasting, on which frequency and when, and contact stations directly for interviews and background.
The reference since 1947
WRTH has been published every year for 80 years. Generations of listeners and broadcasters have relied on it. The Web App carries that work forward.
“WRTH is the one and only authoritative source of information for everyone involved in international broadcasting.”— Prof. Wolf Harranth, ORF, Austria
Price
Buy in the Radio Data Center shop, then log in at app.radiodatacenter.net.
Pre-order now and start using the Web App straight away.
WRTH 2027
Web AppPre-orderuntil 30 November 2026€49.99USD 55.99 · £41.99
Regular priceafter pre-order ends€59.99USD 66.99 · £49.99
- Updates throughout the year, until 31 December 2027
- The data stays accessible after that
- Desktop, tablet and phone
Already a user? Log in
Questions
What happened to the printed book?
WRTH 2026 was the final printed edition. From 2027, WRTH is available only as a Web App.
Does the Web App work offline?
No. The Web App runs in your browser and needs an internet connection.
How long does my access last?
Each edition is updated until the end of its calendar year: WRTH 2027 until 31 December 2027. After that you can still look up the WRTH 2027 data; it is simply no longer updated.
What’s the difference between pre-order and regular price?
Pre-order WRTH 2027 until 30 November 2026 for €49.99, USD 55.99 or £41.99. After that, the regular price is €59.99, USD 66.99 or £49.99. You get the same product either way.
When does my access start?
Straight away. As soon as your purchase is complete, you can log in at app.radiodatacenter.net and start using the Web App.
Which devices does it work on?
Any device with a modern web browser and internet access: computer, tablet or phone. No download needed.
How do I log in after buying?
Go to app.radiodatacenter.net and sign in with your account.
Who can I contact if something doesn’t work?
Problems logging in or with your order? Write to sales@radiodatacenter.com and we’ll help.
Can I still buy earlier editions?
Yes. E-books of WRTH 2024, 2025 and 2026 are always available. Printed editions of WRTH 2023, 2024 and 2025 are available while stocks last. The WRTH Digital Archive has every edition from 1947 to 1998.
Earlier editions
E-books of WRTH 2024, 2025 and 2026 are always available. Printed editions from 2023 to 2025 are available while stocks last. Plus the WRTH Digital Archive, with every edition from 1947 to 1998.