At ENC 2017 in Lausanne, SAPHYRION has triggered the lively attention of the attendees by presenting its advanced GNSS data logger GDAS-2D, which allows the simultaneous downconversion and digitization of up to four 50MHz channels. This unprecedented feature makes GDAS-2D a reference choice for the developers of GNSS systems exploiting the new wideband signals (GALILEO E5a, GPS L5), which will enter the phase of full operational capability within 1-2 years.