Current Conditions

FktWx Logo  Blitzortung Performance

This is a public DEMO page. All Public Data displayed, however, is live "Real Time".
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Frankfort Weather Network Impulse Data Last 2 Hours — This table data may have up to 2min delay. Time is UTC 24hr —
North America 1 (NA Global) — Updates @ 1-5 min — All GLOBAL stations localizing Atlantic, Pacific, Americas.
North America 2 (NA  Local) — Updates @ 1 min — NORTH AMERICA stations ONLY localized. NA2 net status.

Absolute number of signals sent past two hours Signals accepted by server after simple checks. Signals assigned to lightning strikes. Signals used for LOCATION calculation.

Sampled Raw Impulse VLF energy spectrum. Polled examples may not reflect the same signal across displays.
May be 'blank' depending on network, data activity extremes, server cache purge..
Additional 'real-time' "Server Processed' station and channel data can be selected at the "Server Signal' menu list below.

Live Server Station and Channel Data
689 Server
689 Server + FFT
689 Server LAST + FFT
791 Server
791 Server + FFT
791 Server LAST + FFT
1439 Server
1439 Server + FFT
1439 Server LAST + FFT

title graphic info (info)
689 Ratios 4 Weeks 791 Ratios 4 Weeks 1439 Ratios 4 Weeks

Near / Distant Detection Ranging: Last 7 Days
689 range 791 range 1439 range

Current 2 Hour NA2 Stations and Strokes
Not possible to show all stations at this resolution. — Mousover for display controls. Time is UTC 24hr —

Frankfort Weather.US provides 14 channels of VLF impulse data, using two types of receivers with various configurations.
Normally, all H field (M) channels operate in Vertical polarization mode, and E channel charge probe considered 'omni'.
1439 may configure H2 (channel C), for Horizontal mode, while H0 and H1 move from Delta 60° to dual 90°.
689 CURRENT H Config: A (H0), B (H1): Dual 90° Vertical Pol 300x7.5mm Ferrite Core CSS Thingy build
791 CURRENT H Config: A (H0), B (H1): Dual 90° Vertical Pol 80t Split Coil 305mm Wheel xLoops
1439 CURRENT H Config: A (H0), B (H1), C (H2): Delta 60° Vertical Pol 80t Split Coil 305mm Wheel xLoops

Blitzortung receivers detect atmospheric discharges, but the network only attempts definition and location of Cloud to Ground lightning discharges.

Stations do NOT register ALL activity
H Propagation
H Propagation
Controller Status
All systems operate in full manual mode: Relative Gain ADC computational reference trigger level of 100mv.
No 'automatic' functions are normally activated.
Those parameters would change ONLY under extreme conditions or experimental purposes.
The following examples illustrate some systems information available only to administration
689 791 1439
689 Tracker Status
689 Amplifier Status
689 Controller Signals
689 GPS Status
689 ADC Status
689 CPU Status
791 Tracker Status
791 Amplifier Status
791 Controller Signals
791 GPS Status
791 ADC Status
791 CPU Status
1439 Tracker Status
1439 Amplifier Status
1439 Controller Signals
1439 GPS Status
1439 ADC Status
1439 CPU Status

Quick Sets
The following examples illustrate some remote "set-and-apply" parameter changes available only to administration
689 H 791 H 1439 H
High  8*8 6000km
Mean  10*5 5000km
Nominal  8*5 3500km
Best Data  8*4 1500km

High  8*8 6000km
Mean  10*5 5000km
Nominal  8*5 3500km
Best Data  8*4 1500km

High  8*8, 8*8, 8*8
Mean  10*5, 10*5, 10*5
Nominal  8*5, 8*5, 8*5
Best Data  8*4, 8*4, 8*4
Filters  All  OFF
Filters  All  50kHz