Theoutputsignalfrequencyofintegerfrequencysynthesizeris the integralmultiple of reference signal frequency, Loopfrequencyresolutionis the reference frequency.
The markets that do the sort of high volume, low margin trades that would be affected by an FTT are the foreign exchange (FX), futures, options and stock markets (with special reference to high frequency trading of the often demonised computer algorithm type).
Then through the use of GPS-based reference clocks at each tower (for both time and frequency), the signals are synced so each can emit a perfect copy of both signal and symbol data.