I found some more specs: fsj1-50a diameter over dielectric 0.190 inner conductor OD 0.0750 Outer Conductor OD 0.250
fsj2-50 diameter over dielectric 0.280 inner conductor OD 0.1100 Outer Conductor OD 0.380 fsj4-50b diameter over dielectric 0.350 inner conductor OD 0.1400 Outer Conductor OD 0.480 ldf1-50 diameter over dielectric 0.270 inner conductor OD 0.1000 Outer conductor OD 0.310 ldf2-50 diameter over dielectric 0.340 inner conductor OD 0.1200 Outer Conductor OD 0.380 So, it looks like both FSJ2-50 and also LDG2-50 have an outer conductor OD of 0.380 inch. Do you think these cables might be able to use regular PL-259 connectors without any reducer? Howard