Simplex Neighbors

Debug JSON: /simplex/?debug=1 · Stations: 82 · Reports: 154 · Active (this browser): KN4BPO
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Active station (this computer/browser)
Set which callsign you are entering reports from. This is saved on this computer/browser and does not affect other users.
1) Import a callsign from QRZ
Imports station details + coords. This also sets the station as active on this computer/browser.
Use this if QRZ puts your home spot in the wrong place. Once saved, these coordinates stay in use until someone runs Refresh QRZ Info.
Refresh every stored callsign from QRZ and write the updated station details back to the data file.
Active station details
KN4BPO QRZ 🏠 Manual location — EDWIN C HOOD
PINE MOUNTAIN, GA · Grid: EM72OV · Map: 32.90105, -84.82842
This changes the station's map spot permanently. It is replaced only when Refresh QRZ Info. is run.
2) Add a “heard” report (FROM active station)
FROM: KN4BPO · Duplicate FROM→TO overwrites.
If this Home station is misplaced by QRZ, enter its correct latitude and longitude here. The saved spot remains until a QRZ refresh.
TO Icon Name / QTH Grid RST
KK4SDS QRZ 🏠 Robert P Simpkins
Dadeville, AL
 EM72CS 41
KK4SDT QRZ 🏠 Donald M Upton
Camp Hill, AL
 EM72GO 59
WB4BYQ QRZ 🏠 Richard M Battles
Opelika, AL
 EM72GQ 59
3) Find a relay path
If direct, you’ll see “You’re Neighbors!” Otherwise, it shows the shortest hop path and highlights it on the map.
Network map — Lee County AL + surrounding
Shows all imported stations and all reports (global). Hover markers/lines for details. Lee County outline: …
RST 11 (weak) → 59 (strong)
Intensity slider adjusts thickness/opacity
Marker slider adjusts icon size
Hover a marker to isolate contacts
Hover popup can be turned on/off
Hover shows propagation radius
County outline toggle + intensity
Click a marker opens QRZ
Full map mode hides side panel