Longwave

Antennas for 136kHz - Extensive article on building antennas for the 136 Khz band by ON7YD

Antennas for 136kHz - A very long and exaustive documentation on building antennas for 136 khz. Includes links to antenna design software for longwave

GW4ALG - 136 kHz Pages - GW4ALG Loop Antenna Tuning Unit

I5TGC Antennas - Reduced size longwave antennas by Cesare Tagliabue I5TGC and his experience on 136 kHz band.

Tee Vertical Antenna for the 630M Band - The conventional configuration was an inverted-L arrangement with the vertical section going up about 13m and then a horizontal top-load wire extending about 8m, the end of which was supported by a tree at about 10m.