With the vulnerability of GPS and GNSS at stake, which can be easily jammed, a backup is necessary. The new eLORAN is being implemented in Europe and the UK is getting serious about it. The high power and low frequency used by eLORAN makes it virtually jam proof and the UK has a goal to have it operational by 2018.

If anyone has been monitoring around 100kHz lately, at times loran testing can be observed. This is a good sign that eLORAN is not quite dead here in the US. In the last few years LF Engineering has been working with a LORAN expert, Ben Peterson and URSA NAV Inc. developing LF active antennas for this project. The latest antenna with a calibration input scheme has been developed for gain/phase accuracy testing. Right now production is on hold possibly due to a lack of funding. Hopefully we will get our act together before it’s too late.


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