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Relax CID=0 filter: allow partially decoded cells with valid MCC/MNC

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CID=0 with valid MCC/MNC means the scanner found the cell but didn't
decode System Information 3/4 (which carries the Cell ID). These are
still valid towers worth displaying. Only filter when MCC=0 AND MNC=0
(truly unidentified signals).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Smittix
2026-02-08 17:14:17 +00:00
parent 451eff83a8
commit 01978730ba
2 changed files with 19 additions and 8 deletions
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routes/gsm_spy.py
+6 -4
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@@ -1130,10 +1130,12 @@ def parse_grgsm_scanner_output(line: str) -> dict[str, Any] | None:
if 'ARFCN' in fields and 'CID' in fields:
cid = int(fields.get('CID', 0))
mcc = int(fields.get('MCC', 0))
mnc = int(fields.get('MNC', 0))
# Skip entries with no decoded cell identity (CID=0 means no cell info)
if cid == 0 or mcc == 0:
logger.debug(f"Skipping unresolved ARFCN (CID={cid}, MCC={mcc}): {line}")
# Only skip entries with no network identity at all (MCC=0 AND MNC=0)
# CID=0 with valid MCC/MNC is a partially decoded cell - still useful
if mcc == 0 and mnc == 0:
logger.debug(f"Skipping unidentified ARFCN (MCC=0, MNC=0): {line}")
return None
# Freq may have 'M' suffix (e.g. "925.2M")
@@ -1146,7 +1148,7 @@ def parse_grgsm_scanner_output(line: str) -> dict[str, Any] | None:
'cid': cid,
'lac': int(fields.get('LAC', 0)),
'mcc': mcc,
'mnc': int(fields.get('MNC', 0)),
'mnc': mnc,
'signal_strength': float(fields.get('Pwr', -999)),
'timestamp': datetime.now().isoformat()
}