Antennas tested same mast ,same height,field strength meter for aiming aerials.Please note DT 36 Wfft is at 200 feet height on tower and is only 970 watts erp. Check Ft.Wayne station stats on tvfool.com for DT erp powers.

............................Winegard.............Zenith..... .....Televes.......Philex
.............................HD8800............SDV9201...... ....XG-43........SLX18
Analog 15/dt31........+11dbmv..........+19dbmv.........+37dbmv......+3 4dbmv
Analog 21/dt24........+15.................+22................+32 ............+26
Analog 33/dt19........+15.................+28................+32 ............+29
Analog 39/dt40........+15.................+22................+29...... .......+26
Analog 55/dt36........+14.................+24................+27...... .......+25
............................................................ .......................................
Digital 31................+9dbmv............+13dbmv.........+21.5dbm v....+12dbmv
Digital 24................+12..................+16...............+26 ..............+17
Digital 19 ...............+7....................+9.................+24 .............+19
Digital 40................+8....................+10.5............N/A..............N/A
Digital 36................-20...................-19...............-12.5...........-18