Hi Luc Yes I will give those frequencies a try. I tried the formula provided and I could not get the same result, which was driving me crazy. Here is what I think, but could be wrong.
FSTEP = FXOSC/2^19 FSTEP = 0.00006103515 I don't see where FSTEP gets converted to Hz. Rich On Tuesday, March 12, 2019 at 10:10:15 PM UTC-4, Luc Heijst wrote: > Hi Rich, > > The US, AU and NZ Davis models hop with 51 different channel frequencies. > The EU Davis models hop with only 5 different channel frequencies. > For the first transmitter (with id=0) the hop period is 2.5 + 1/16 second, > i.e. 2.5625 seconds. > One channel is this revisited after 51 * 2.5625 seconds (130.7 seconds). > > During the init phase I notised long periods before your station message > was received on the channel 0. > > For EU models this period is much shorter, 5 * 2.5625 is 12.8 seconds. > > You might try the following US frequencies. > 902381897, 902883656, 903385415, 903887174, > 904388933, 904890692, > 905392451, 905894210, 906395969, 906897728, > 907399487, 907901246, > 908403005, 908904764, 909406523, 909908282, > 910410042, 910911801, > 911413560, 911915319, 912417078, 912918837, > 913420596, 913922355, > 914424114, 914925873, 915427632, 915929391, > 916431150, 916932909, > 917434668, 917936427, 918438186, 918939945, > 919441704, 919943463, > 920445222, 920946981, 921448740, 921950499, > 922452258, 922954017, > 923455776, 923957535, 924459294, 924961053, > 925462813, 925964572, > 926466331, 926968090, 927469849, > > Replace the US ones in file protocol.go and recompile the program, then > start program rtldavis to see if these frequencies are better. > BTW The US hopping sequence is OK. > > Luc > > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to weewx-user+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
