SID Monitor BandPass Filter
	Tuning Resistors (from Maxim 275 design notes)
	R2 = 2x10^9 / Frequency			Where:
	R4= R2 - 5000			Q = 150
	R3 = (Q) (2x10^9) (Rx)/ (F0*Ry)			Rx/Ry = 1/25 ( for 5k< R2,R3 < 4M)
	R1 = R3 / BP_gain			BP_gain = 1 (for R1=R3)
VLF Stations	ID	Freq KHz	R2	R4	R3	R1
Cutler, ME	NAA	24	83333	78333	500000	500000
Jim Creek,WA	NLK	24.8	80645	75645	483871	483871
Lualuelei,HI	NPM	21.4	93458	88458	560748	560748
La Moure, ND	NML	25.2	79365	74365	476190	476190
Aquada, Puerto Rico	NAU	40.75	49080	44080	294479	294479
South Pole	VLF	20	100000	95000	600000	600000
NW Cape	NWC	19.8	101010	96010	606061	606061
Changde	3SA	20.6	97087	92087	582524	582524
Datonge	3SB	10.6	188679	183679	1132075	1132075
Rhauderfehn	DHO	23.4	85470	80470	512821	512821
Rosnay	HWU	20.9	95694	90694	574163	574163
St. Assie	FTA	16.8	119048	114048	714286	714286
LeBlanc	HWV	21.75	91954	86954	551724	551724
Keflavik	NRK	37.5	53333	48333	320000	320000
Katabomman	VTX3	18.2	109890	104890	659341	659341
Tavolara	ICV	20.27	98668	93668	592008	592008
Sicily	NSC	45.9	43573	38573	261438	261438
Ebino	JJI	22.2	90090	85090	540541	540541
Kolsas	JXN	16.4	121951	116951	731707	731707
Arkhanghelsk	UGE	19.7	101523	96523	609137	609137
Batumi	UVA	14.6	136986	131986	821918	821918
Kaliningrad	UGKZ	30.3	66007	61007	396040	396040
Matotchkinchar	UFQE	18.1	110497	105497	662983	662983
Vladivostock	UIK	15	133333	128333	800000	800000
Bafa	TBB	26.7	74906	69906	449438	449438
Anthorn	GBZ	19.6	102041	97041	612245	612245
Anthorn	GQD	22.1	90498	85498	542986	542986
London	GYA	21.37	93589	88589	561535	561535