NATO Joint Civil and Military Frequency Agreement (NJFA) - HB Radiofrequency
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ISM Bands Around the World | Blog | Altium Designer
5 MHz
Ham radio bands chart | retevis.com
Frequencies - APRSISCE/32 The future of Amateur Radio APRS
CB AMATEUR HAM RADIO FREQUENCY CHART 14 BAND = 24.265Mhz to 30.555Mhz | eBay
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US Amateur Radio Bands: Frequency Charts
MF Coastal Radio Stations - IK4HDQ
A Look Into Broadcast Channel's Radio Frequencies and why They are of Interest for Media Monitoring - eMedia Monitor
Radio Frequency Spectrum (Pretty sure this excludes military-allocated frequencies.) | Radio frequency, Communication system, Radio
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Frequency Plans by Country | The Things Network
TF3YOTA - Callsign Lookup by QRZ Ham Radio
RÚV - Wikipedia
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W5KUB, Amateur Radio Roundtable, Ham Radio | I was able to copy the W5KUB-23 balloon's slow CW signal today via a remote SDR radio in Iceland | Facebook