|   | 
                          
                          
                            | frequency range | 
                              | 
                            100 mhz to 450 mhz | 
                          
                          
                            | df method | 
                              | 
                            correlative interferometer | 
                          
                          
                            | df accuracy 1) | 
                            with r&s®add050sr              wide-aperture df antenna | 
                            1° rms, typ. 0.5° rms | 
                          
                          
                            |   | 
                            with r&s®add153sr              mobile df antenna | 
                            1° rms | 
                          
                          
                            | df sensitivity 2) | 
                            2° rms bearing fluctuation              25 khz channel spacing              1 s integration time | 
                            5 µv/m | 
                          
                          
                            | minimum signal duration 2) | 
                              | 
                            100 ms | 
                          
                          
                            | number of frequency channels | 
                            base unit | 
                            4 frequency channels | 
                          
                          
                            |   | 
                            with r&s®ddf04e-4c option, multiple installations possible | 
                            4 additional channels per option enabled,              to yield max. 12 channels in total (up to 32 channels upon request) | 
                          
                          
                            | channel spacing | 
                            selectable | 
                            25 khz or 8.33 khz | 
                          
                          
                            | linearity | 
                            second-order intercept (soi) | 
                            typ. 63 dbm | 
                          
                          
                            |   | 
                            third-order intercept (toi) | 
                            typ. 28 dbm | 
                          
                          
                            | intermodulation-free dynamic range | 
                            in-band, bandwidth 7.5 khz | 
                            typ. 85 db | 
                          
                          
                            | phase noise | 
                            at 10 khz carrier offset | 
                            typ. –120 dbc/hz | 
                          
                          
                            | image frequency rejection | 
                              | 
                            typ. 110 db | 
                          
                          
                            | if rejection | 
                              | 
                            typ. 110 db | 
                          
                          
                            | operating temperature range | 
                            outdoors              (df antennas, cable set) | 
                            –40°c to  55°c | 
                          
                          
                            |   | 
                            indoors | 
                            –10°c to  55°c | 
                          
                          
                            | storage temperature range | 
                              | 
                            –40°c to  70°c | 
                          
                          
                            | humidity | 
                            cyclic test at 25°c/35°c, en 60068-2-30 | 
                            max. 95 % | 
                          
                          
                            | installation altitude | 
                              | 
                            max. 3000 m above sea level | 
                          
                          
                            | power supply | 
                              | 
                            100 v to 230 v ac,  10 %/–15 %,              47 hz to 63 hz | 
                          
                          
                            | dimensions (approx.) | 
                            direction finder | 
                            19" × 8 hu | 
                          
                          
                            |   | 
                            r&s®add050sr              df antenna with lightning rod | 
                            3 m diameter × 3 m height              (118.1 in diameter × 118.1 in height) | 
                          
                          
                            |   | 
                            r&s®add153sr              df antenna with lightning rod | 
                            1.1 m diameter × 1.3 m height              (43.3 in diameter × 51.2 in height) | 
                          
                          
                            | weight (approx.) | 
                            direction finder | 
                            33 kg (72.75 lb) | 
                          
                          
                            |   | 
                            r&s®add050sr              df antenna with lightning rod | 
                            70 kg (154.32 lb) | 
                          
                          
                            |   | 
                            r&s®add153sr              df antenna with lightning rod | 
                            30 kg (66.14 lb) | 
                          
                          
                            | wind load | 
                            r&s®add050sr df antenna              without ice deposit              with 30 mm radial ice deposit | 
                                          200 km/h: 1520 n/217 mm              180 km/h: 3400 n/221 mm | 
                          
                          
                            |   | 
                            r&s®add153sr df antenna              without ice deposit              with 30 mm radial ice deposit | 
                                          200 km/h: 270 n/189 mm              180 km/h: 530 n/192 mm |