A radioelectric device for counting electromagnetic transmitters (V1, V2, V3, V4, V5, V6), comprising: - at least two remote reception antennae (A1, A2, A3, A4) forming an interferometric base for detecting signals (s1, s2) transmitted by said transmitters in the form of signal trains; - a radioelectric goniometry receiver providing: measurements of the primary parameters that are characteristic of the signals transmitted by said transmitters, said primary parameters of the received signals being selected from the signal level, the frequency F, the modulation and the direction; instantaneous phase measurements (φi) of the signals received by each antenna of said interferometric base; - an extraction device grouping, in the form of measurement points, transmissions discriminated by their primary parameters and having the same characteristic and the non-discriminated transmissions; - a device for tracking transmissions from transmitters supplying, on the basis of the measurement points of said extraction device, tracks corresponding to the discriminated transmissions and a single track for the non-discriminated transmissions, characterised in that it further comprises: - means for computing instantaneous phase-shifts (Δφi) between the signals received by each antenna of said interferometric base on the basis of the instantaneous phase measurements (φi) supplied by said radioelectric receiver; - means for discriminating non-discriminated transmissions on the basis of the measurement points forming said single track and the development over time of said instantaneous phase-shifts (Δφi), said means for discriminating the non-discriminated transmissions comprising a counting module configured to analyse the distribution and the developments of the instantaneous phase-shifts (Δφi) supplied by said extraction device in the form of phase-shift points and, on the basis of the measurement points forming said single track and the development over time of said instantaneous phase-shifts (Δφi), determining the uniqueness, the count or the uncountable character of the non-discriminated transmissions. - at least two remote reception antennae (A1, A2, A3, A4) forming an interferometric base for detecting signals (s1, s2) transmitted by said transmitters in the form of signal trains; - a radioelectric goniometry receiver providing: measurements of the primary parameters that are characteristic of the signals transmitted by said transmitters, said primary parameters of the received signals being selected from the signal level, the frequency F, the modulation and the direction; instantaneous phase measurements (φi) of the signals received by each antenna of said interferometric base; measurements of the primary parameters that are characteristic of the signals transmitted by said transmitters, said primary parameters of the received signals being selected from the signal level, the frequency F, the modulation and the direction; instantaneous phase measurements (φi) of the signals received by each antenna of said interferometric base; - an extraction device grouping, in the form of measurement points, transmissions discriminated by their primary parameters and having the same characteristic and the non-discriminated transmissions; - a device for tracking transmissions from transmitters supplying, on the basis of the measurement points of said extraction device, tracks corresponding to the discriminated transmissions and a single track for the non-discriminated transmissions, - means for computing instantaneous phase-shifts (Δφi) between the signals received by each antenna of said interferometric base on the basis of the instantaneous phase measurements (φi) supplied by said radioelectric receiver; - means for discriminating non-discriminated transmissions on the basis of the measurement points forming said single track and the development over time of said instantaneous phase-shifts (Δφi), said means for discriminating the non-discriminated transmissions comprising a counting module configured to analyse the distribution and the developments of the instantaneous phase-shifts (Δφi) supplied by said extraction device in the form of phase-shift points and, on the basis of the measurement points forming said single track and the development over time of said instantaneous phase-shifts (Δφi), determining the uniqueness, the count or the uncountable character of the non-discriminated transmissions.