Packet #17790248 Success

POSITION_APP packet from MAdon (MAdo) to !ffffffff

45
Total Receptions
1
Unique Gateways
2
Hop Count
45
Payload Bytes
Packet Information
Database ID: 17790248
Mesh Packet ID: 0x972f320d
Used for correlation across gateways
Timestamp: 2026-03-27 09:16:18 UTC
From Node: MAdon (MAdo)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: DIR Rooftop (DIR)
Channel: ShortFast
RSSI: -85 dBm
SNR: -16.0 dBm
Hop Info: 2/7 hops
Start: 7, Limit: 5
Relay Node: 8f
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 45 bytes
Decoded: Yes
Decoded Data:
Latitude:45.542182°
Longitude:-73.467602°
Altitude:-25 m
Satellites:11
Precision:32 bits
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:45 bytes
Gateway:!6985083c
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:2 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6985083c
Node ID format
channel_id ShortFast
packet MeshPacket (45 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1741543364
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 45 bytes size
hop_limit 5
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -85.0 dBm
Signal strength at gateway 		int32
rx_snr -16.00 dB
Signal quality at gateway 		float
rx_time 1774602979
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 143
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774602978.8449035
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: ShortFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !6985083c
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -85.0 dBm
SNR: -16.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:45 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.5421823, "longitude": -73.4676016, "altitude": -25, "sats_in_view": 11, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1741543364, "to": 4294967295, "id": 2536452621, "rx_time": 1774602979, "rx_snr": -16.0, "rx_rssi": -85, "hop_limit": 5, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 143, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d7f2f251b15d0bb35d418e7ffffffffffffffff0125c74ac6692802589201780a8001d0f5b40d98010bb80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 455421823, "longitude_i": -734676016, "altitude": -25, "time": 1774602951, "location_source": "LOC_INTERNAL", "PDOP": 146, "ground_speed": 10, "ground_track": 28130000, "sats_in_view": 11, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (45 bytes)
0d7f2f251b15d0bb35d418e7ffffffffffffffff0125c74ac6692802589201780a8001d0f5b40d98010bb80120
Hex Analysis:
Size:45 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
DIR Rooftop (DIR) Primary 0.000s
Reference 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC Current
DIR Rooftop (DIR) -0.303s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.278s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.268s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.251s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.233s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.215s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.205s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.193s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.181s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.168s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.157s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.144s
Before 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.131s
Before 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.120s
Before 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.108s
Before 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.097s
Before 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.087s
Before 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.076s
Before 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.066s
Before 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.056s
Before 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.045s
Before 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.034s
Before 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.024s
Before 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.012s
Before 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.019s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.038s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.050s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.061s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.073s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.084s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.097s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.108s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.126s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.136s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.147s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.157s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.168s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.178s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.190s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.202s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.214s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.226s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.238s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.250s
After 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:19 UTC View
45

Total Receptions

1

Unique Gateways