LF - around and below 100kHz receptions
40.0 kHz, maybe JJY Ohtakadoya-yama (Japan, QM07ki ~9400km) S/n 10-15dB
Working condition: Kenwood TS590S, indoor ferrite rod antenna and PRE (hardware as Miniwip)
45.9 kHz, maybe NSY Niscemi (I, JM77fd), S/N = S9+20/S9
Working condition: Kenwood TS590S, indoor ferrite rod antenna and PRE (hardware as Miniwip)
51,95 kHz, maybe GYW1 Crimond (UK, IO97bo), S/N = S9+10/S9
Working condition: Kenwood TS590S, indoor ferrite rod antenna and PRE (hardware as Miniwip)
60 kHz, MSF time signal Anthorn (UK, IO84iv), S/N = S9+20/S9
Working condition: Kenwood TS590S, indoor ferrite rod antenna and PRE (hardware as Miniwip)
62.6 kHz, maybe FUG La Régine (F, JN78tp), S/N = S9+40/S9
Working condition: Kenwood TS590S, indoor ferrite rod antenna and PRE (hardware as Miniwip)
65.8 kHz, maybe FUE Kerlouan (F, IN78tp), S/N = S9+40/S9
Working condition: Kenwood TS590S, indoor ferrite rod antenna and PRE (hardware as Miniwip)
68.5 kHz, BPC Henan (China, OM74wk ~8200km), S/N less than 5dB
Working condition: Kenwood TS590S, indoor 0.5m square loop and PRE (hardware as Miniwip)
77,5 kHz, DCF77 time signal Mainflingen (D, JO40ma), S/N S9+20/S9 (in the picture is visible the effect of deep notch filter of TS590)
Working condition: Kenwood TS590S, indoor ferrite rod antenna and PRE (hardware as Miniwip)
Ferrite rod antenna, 6 ferrite bar section (total of 12 bar), approx 19.5 mH, self resonance at 128 kHz, tuning range 12-110 kHz
Preamplifier hardware similar of Miniwip (the space in the middle is for passive filter tests)
More info about Miniwip: http://yu1lm.qrpradio.com/pa0rdt%20whip.pdf
Indoor loop (clik here for more details)