Packet #18105801 Success

POSITION_APP packet from VO1SU-2 (VO1) to !ffffffff

45
Total Receptions
1
Unique Gateways
1
Hop Count
45
Payload Bytes
Packet Information
Database ID: 18105801
Mesh Packet ID: 0x62667a36
Used for correlation across gateways
Timestamp: 2026-03-28 02:45:01 UTC
From Node: VO1SU-2 (VO1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VO1SU (VO1)
Channel: ShortFast
RSSI: -66 dBm
SNR: 7.25 dBm
Hop Info: 1/7 hops
Start: 7, Limit: 6
Relay Node: 55 VO1
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: POSITION_APP
Size: 45 bytes
Decoded: Yes
Decoded Data:
Latitude:47.742976°
Longitude:-59.303526°
Altitude:-16 m
Satellites:5
Precision:15 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:!fa505051
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:1 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 !fa505051
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 1263176836
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 6
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -66.0 dBm
Signal strength at gateway 		int32
rx_snr 7.25 dB
Signal quality at gateway 		float
rx_time 1774665899
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 85
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774665901.7811396
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
  • ✓ Reduced position precision: ~729.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !fa505051
Position Precision: 15 bits (~729.0m accuracy)
Position precision meters: 729.0
Signal Metrics: RSSI: -66.0 dBm
SNR: 7.25 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": 47.742976, "longitude": -59.3035264, "altitude": -16, "sats_in_view": 5, "precision_bits": 15 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!fa505051", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1263176836, "to": 4294967295, "id": 1650883126, "rx_time": 1774665899, "rx_snr": 7.25, "rx_rssi": -66, "hop_limit": 6, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 85, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000751c150000a7dc18f0ffffffffffffffff0125a140c769280258c91778028001e099d507980105b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 477429760, "longitude_i": -593035264, "altitude": -16, "time": 1774665889, "location_source": "LOC_INTERNAL", "PDOP": 3017, "ground_speed": 2, "ground_track": 16076000, "sats_in_view": 5, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (45 bytes)
0d0000751c150000a7dc18f0ffffffffffffffff0125a140c769280258c91778028001e099d507980105b8010f
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
VO1SU (VO1) Primary 0.000s
Reference 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC Current
VO1SU (VO1) -0.411s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.390s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.378s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.365s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.352s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.339s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.326s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.315s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.301s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.289s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.277s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.259s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.247s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.235s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.215s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.198s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.183s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.150s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.115s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.084s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.069s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.058s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.043s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.031s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.019s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.016s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.028s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.043s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.057s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.083s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.098s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.114s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.128s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.141s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.155s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.173s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.193s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.210s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.227s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.239s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.253s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.268s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.281s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.294s
After 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:02 UTC View
45

Total Receptions

1

Unique Gateways