Packet #17790228 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: 17790228
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: LongFast
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:LongFast
Payload Type:POSITION_APP
Hop Count:2 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 4 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6985083c
Node ID format
channel_id LongFast
Default public channel
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 1774602978.612253
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)
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ 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": "LongFast", "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 LongFast 2026-03-27 09:16:18 UTC Current
DIR Rooftop (DIR) -0.070s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.046s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.035s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) -0.018s
Before 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.017s
After 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.028s
After 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.040s
After 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.052s
After 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.064s
After 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.076s
After 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.088s
After 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.102s
After 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.113s
After 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.125s
After 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.135s
After 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.146s
After 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.156s
After 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.167s
After 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.177s
After 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.188s
After 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.198s
After 		-85.0 dBm -16.00 dB 2 8f MediumFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.209s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.221s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.233s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.252s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.271s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.283s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.294s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.305s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.317s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.330s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.341s
After 		-85.0 dBm -16.00 dB 2 8f ShortFast 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.358s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.369s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.379s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:18 UTC View
DIR Rooftop (DIR) +0.390s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.400s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.411s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.423s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.435s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.447s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.458s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.470s
After 		-85.0 dBm -16.00 dB 2 8f ShortTurbo 2026-03-27 09:16:19 UTC View
DIR Rooftop (DIR) +0.482s
After 		-85.0 dBm -16.00 dB 2 8f LongFast 2026-03-27 09:16:19 UTC View
45

Total Receptions

1

Unique Gateways