Minelab Equinox Challenge

[Carl-NC]

How much energy is at 2.6kHz?

[Skippy]

OK, I'll play first, seeing as I've already had a try on the other thread:
Freqs are 2.6kHz, 7.8 kHz & 39 kHz, in ratio 1 : 3 : 15.

I have no confidence in my attempt.

Chiv's probing suggests the Single freqs are in fact what they claim to be: 5,10,15,20,40.

[Carl-NC]

OK Geoteckers, here is the TX waveform for the Minelab Equinox:



And here is the challenge:

"How many frequencies does the Equinox use, and what are they?"

A hint:

Remember 17 frequency BBS? and 28 frequency FBS? Both were pure marketing hogwash. If you start with the assumption that the Equinox frequency claims made thus far are an adjunct to porcine whole-body cleanliness, you will have less trouble figuring it out.