No tās NASAs lapas:
Most meteor echo enthusiasts listen for reflections of distant radio transmitters at frequencies between 40 MHz and 100 MHz. These are the best bands for such work because weakly ionized meteor trails reflect signals most efficiently at lower frequencies, below 100 MHz. Although 216 MHz would be considered by most to be a poor frequency for meteor observations, because it is too high for efficient reflections, the tremendous power of the Naval Space Surveillance radar transmitter more than compensates for its less-than-optimum observing frequency.Tātad labāk tomēr "zem", nevis vienkārši "ap" 100 MHz.
Hmm.. Varbūt sākumā jāpamēģina ar "Kurzemes radio" vai ko tādu – skats uz rietumiem man brīvs Siguldā. Tikai tad nāksies taisīt kādu virzienantenu droši vien. Vai pirkt. Vienīgi tām frekvencēm viss kļūst liieels..