Packet #18044164 Success

POSITION_APP packet from Meshtastic 48f6 (48f6) to !ffffffff

45
Total Receptions
1
Unique Gateways
4
Hop Count
37
Payload Bytes
Packet Information
Database ID: 18044164
Mesh Packet ID: 0xedca8110
Used for correlation across gateways
Timestamp: 2026-03-27 23:13:11 UTC
From Node: Meshtastic 48f6 (48f6)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: DIR Rooftop (DIR)
Channel: MediumFast
RSSI: -86 dBm
SNR: -0.75 dBm
Hop Info: 4/5 hops
Start: 5, Limit: 1
Relay Node: 8f
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 37 bytes
Decoded: Yes
Decoded Data:
Latitude:45.481984°
Longitude:-73.583821°
Altitude:340 m
Satellites:6
Precision:13 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:37 bytes
Gateway:!6985083c
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:4 / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6985083c
Node ID format
channel_id MediumFast
packet MeshPacket (37 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2709080310
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 37 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -86.0 dBm
Signal strength at gateway 		int32
rx_snr -0.75 dB
Signal quality at gateway 		float
rx_time 1774653180
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 1774653191.0198982
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: MediumFast
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !6985083c
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Signal Metrics: RSSI: -86.0 dBm
SNR: -0.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:37 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.481984, "longitude": -73.5838208, "altitude": 340, "sats_in_view": 6, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2709080310, "to": 4294967295, "id": 3989471504, "rx_time": 1774653180, "rx_snr": -0.75, "rx_rssi": -86, "hop_limit": 1, "hop_start": 5, "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": "0d00001c1b15000024d418d40225f00ec769280258b6027806800188c3c402980106b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 454819840, "longitude_i": -735838208, "altitude": 340, "time": 1774653168, "location_source": "LOC_INTERNAL", "PDOP": 310, "ground_speed": 6, "ground_track": 5317000, "sats_in_view": 6, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d00001c1b15000024d418d40225f00ec769280258b6027806800188c3c402980106b8010d
Hex Analysis:
Size:37 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 		-86.0 dBm -0.75 dB 4 8f MediumFast 2026-03-27 23:13:11 UTC Current
DIR Rooftop (DIR) -0.600s
Before 		-86.0 dBm -0.75 dB 4 8f LongFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.588s
Before 		-86.0 dBm -0.75 dB 4 8f LongFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.572s
Before 		-86.0 dBm -0.75 dB 4 8f LongFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.557s
Before 		-86.0 dBm -0.75 dB 4 8f LongFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.543s
Before 		-86.0 dBm -0.75 dB 4 8f LongFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.531s
Before 		-86.0 dBm -0.75 dB 4 8f LongFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.516s
Before 		-86.0 dBm -0.75 dB 4 8f LongFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.505s
Before 		-86.0 dBm -0.75 dB 4 8f LongFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.490s
Before 		-86.0 dBm -0.75 dB 4 8f LongFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.480s
Before 		-86.0 dBm -0.75 dB 4 8f LongFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.466s
Before 		-86.0 dBm -0.75 dB 4 8f LongFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.452s
Before 		-86.0 dBm -0.75 dB 4 8f MediumFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.440s
Before 		-86.0 dBm -0.75 dB 4 8f MediumFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.428s
Before 		-86.0 dBm -0.75 dB 4 8f MediumFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.416s
Before 		-86.0 dBm -0.75 dB 4 8f MediumFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) -0.404s
Before 		-86.0 dBm -0.75 dB 4 8f MediumFast 2026-03-27 23:13:10 UTC View
DIR Rooftop (DIR) +0.009s
After 		-86.0 dBm -0.75 dB 4 8f MediumFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.024s
After 		-86.0 dBm -0.75 dB 4 8f MediumFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.036s
After 		-86.0 dBm -0.75 dB 4 8f MediumFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.056s
After 		-86.0 dBm -0.75 dB 4 8f MediumFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.067s
After 		-86.0 dBm -0.75 dB 4 8f MediumFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.079s
After 		-86.0 dBm -0.75 dB 4 8f ShortFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.097s
After 		-86.0 dBm -0.75 dB 4 8f ShortFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.109s
After 		-86.0 dBm -0.75 dB 4 8f ShortFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.119s
After 		-86.0 dBm -0.75 dB 4 8f ShortFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.131s
After 		-86.0 dBm -0.75 dB 4 8f ShortFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.143s
After 		-86.0 dBm -0.75 dB 4 8f ShortFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.154s
After 		-86.0 dBm -0.75 dB 4 8f ShortFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.166s
After 		-86.0 dBm -0.75 dB 4 8f ShortFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.176s
After 		-86.0 dBm -0.75 dB 4 8f ShortFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.188s
After 		-86.0 dBm -0.75 dB 4 8f ShortFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.205s
After 		-86.0 dBm -0.75 dB 4 8f ShortFast 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.217s
After 		-86.0 dBm -0.75 dB 4 8f ShortTurbo 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.539s
After 		-86.0 dBm -0.75 dB 4 8f ShortTurbo 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.554s
After 		-86.0 dBm -0.75 dB 4 8f ShortTurbo 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.565s
After 		-86.0 dBm -0.75 dB 4 8f ShortTurbo 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.579s
After 		-86.0 dBm -0.75 dB 4 8f ShortTurbo 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.596s
After 		-86.0 dBm -0.75 dB 4 8f ShortTurbo 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.611s
After 		-86.0 dBm -0.75 dB 4 8f ShortTurbo 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.623s
After 		-86.0 dBm -0.75 dB 4 8f ShortTurbo 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.636s
After 		-86.0 dBm -0.75 dB 4 8f ShortTurbo 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.656s
After 		-86.0 dBm -0.75 dB 4 8f ShortTurbo 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.668s
After 		-86.0 dBm -0.75 dB 4 8f ShortTurbo 2026-03-27 23:13:11 UTC View
DIR Rooftop (DIR) +0.683s
After 		-86.0 dBm -0.75 dB 4 8f LongFast 2026-03-27 23:13:11 UTC View
45

Total Receptions

1

Unique Gateways