Yes, people use ionization trails to reflect their radio transmissions, but in TFA they discount this as the source of the emissions:
Meteor trails are known to reflect radio waves and indeed this has been one way of spotting them in the past.
But Obenberger and co reject this idea for a number of reasons. First, human radio transmissions are usually polarised and so any reflections ought to be polarised as well. The team found no evidence of this.
At the same time, human radio transmissions have easily identifiable spectra but the team found no evidence of this either in the data from the Long Wavelength Array.
"It is therefore our conclusion that ïreball trails radiate at low frequencies," they say.