Interesting spots, from time to time.

By curiosity, I have noticed some spots ( their are not unique, one can search in the database ).


Timestamp Call MHz SNR Drift Grid Pwr Reporter Grid km az
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2009-11-04 09:58 VE2EXB 7.040071 -30 0 FN35hi 1 W6CQZ EL98ac 2062 204
2009-11-04 08:18 VE2EXB 7.040045 -32 0 FN35hi 1 W6PDD DM04nf 4020 268
2009-11-04 11:50 G0PDR 7.040189 -33 0 IO81ww 0.002 VE2EXB FN35hi 5073 291
2009-11-04 11:36 G6LUG 7.040186 -30 0 IO93sr 5 VE2EXB FN35hi 5105 291

Could filtering - RF Gain helped? Theoritical calculation calls for minimum of -29 SNR over 2.5KHz BW. Am I right?

Still learning....