The USA's Transit navigation satellites and their derivatives found their way here. The Transit system no longer operates but some of the later, Transit-O (OSCAR) vehicles still transmit, though their function has changed to ionospheric monitoring under the US Navy's Ionospheric Monitoring System (NIMS).

A coherent pair also exists for use by the US military for Doppler tracking and orbit measurement.

The Soviet Union's 'Tsikada' navigation satellites, later 'Nadezhda', also operated here also but the system was switched off when GPS-style navigation satellites took over.

Another former Soviet system currently operated by Russia also transmits here. The 'Parus' transmissions are Tsikada-like in content but they hide another purpose. They may have included a navigation function originally but they carry a second, clandestine, payload for communications. The 'navigation' transmissions are probably more about allowing the user to calculate where to point the transmitting aerial rather than working out their location on the Earth's surface.

Occasional launches of 'Cometa' recoverable spacecraft can be found using coherent frequencies at 150/400 MHz.

Many of the PRC's early launches used coherent frequency pairs at 180 and 480 MHz for orbit determination, still in the ratio 8:3. Currently, only CBERS and Fengyun satellites can be detected at these frequencies.

In 2006, the Cosmic/Formosat satellites arrived on orbit, using coherent frequencies in the 150/400 MHz bands but adding another one near 1066 MHz. This higher frequency is, as before an 8:3 relationship but with 400 MHz as the lower frequency. These satellites, like the Oscar/NIMS are used for ionospheric measurements.