openWSPR Beacon Configuration
WSPR Message
1-6 chars, 2nd or 3rd char must be digit
4-char Maidenhead (e.g. JO70)
Frequency
Enable to enter an exact frequency instead of band + channel
TX: --- Hz | Dial: --- Hz
TX Settings
0% = TX disabled, 100% = every 2-min slot
Band Schedule
UTC band-hopping plan — one band per 2-minute WSPR slot in a 24-hour day (720 slots). When enabled, TX Duty Cycle is ignored and the beacon transmits according to this plan.
No active slots.
TX Power
Auto picks a safe default per band (2200m-30m: 17 dBm, 20m-15m: 13 dBm, 12m-10m: 10 dBm, 6m: 3 dBm). A specific value overrides every band with the same dBm.
LED
0 = off, 255 = maximum
WiFi & NTP
POSIX TZ string (e.g. CET-1CEST,M3.5.0,M10.5.0/3)
Device Status
TX State
---
TX Frequency
---
Dial Frequency
---
WiFi
---
NTP Sync
---
Uptime
---
TX Count
---
TX Aborts
---
Free Heap
---
I2C Errors
---
WiFi Reconnects
---
WSPR Ready
---
Tone Error
---
MS Divider
---
PLL Denom (P3)
---
Tone Step (delta_b)
---
Serial Console