Table 1 Transmitters used for HFD observation
From: Software-defined radio-based HF doppler receiving system
Frequency | Call sign | Location of transmitter | Power |
|---|---|---|---|
5006Â kHz | JG2XA | Chofu Campus of UEC, Tokyo | 200Â W |
8006Â kHz | |||
6055Â kHz | JOZ2 | Nagara, Chiba | 50Â kW |
9595Â kHz (- Sep., 2018) | JOZ3 | ||
3925Â kHz (Mar., 2020 -) | JOZ4 | Nemuro, Hokkaido | 10Â kW |