Some measurements of LAN PLC protocol software notches:

Notch filter measurements using a homebrew LISN:

• 0 - 70 MHz overall spectrum
• 0 - 3 MHz
• 3 - 6 MHz
• 6 - 9 MHz
• 9 - 12 MHz
• 12 - 15 MHz
• 15 - 18 MHz
• 17 - 22 MHz
• 22 - 27 MHz
• PLC bursts, medium traffic

- loads more to come, when I get the time ;-)

- some examples of what might just come up: power supplies, battery chargers, LED lamps, CFL lambs, different kinds of EMC filters, loads of material that needs processing...