BAND NOTES
15 Meters
21.000 – 21.450 MHz · USB voice · 450 kHz wide
Key takeaways
Mostly a daytime band.
Most useful during solar max.
Daytime sporadic-E.
Propagation is mainly via the F2 layer.
Long-haul propagation not uncommon.
Band at a glance
- Data / CW
- 21.000 – 21.199
- Phone
- 21.200 – 21.450
- Band center
- 21.225
- Center voice
- 21.325
- Center voice — General
- 21.362.5
- Bandwidth
- 450 kHz · 150 × 3 kHz slots
Key frequencies
21.025.000 - DX Calling Freq. (CW) 21.050.000 - SKCC Calling Freq. 1 (CW) 21.058.000 - FISTS Calling Freq. (CW) 21.060.000 - QRP Calling Freq. (CW) 21.067.500 - ARRL Pract., Qual. Runs, Bulletins (CW) 21.070.150 - PSK 21.074.000 - FT8 21.076.000 - JT65 21.078.000 - JT9 / JS8 21.094.600 - WSPR 21.095.000 - ARRL RTTY 21.114.000 - SKCC Calling Freq. 2 (CW) 21.140.000 - FT4 21.150.000 - Int'l Beacon Project 21.295.000 - DX Calling Freq. (USB) 21.340.000 - SSTV (Assum'd. USB) 21.385.000 - QRP Calling Freq. (USB) 21.390.000 - ARRL Voice Bulletins
Band plan
. Range | Advised Use ------------------------|--------------------- 21.070.000 - 21.110.000 | RTTY/Data 21.090.000 - 21.100.000 | Packet 21.340.000 | SSTV
Last confirmed good · 2026-11-11