Packet #18105793 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: 18105793
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: MediumFast
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:MediumFast
Payload Type:POSITION_APP
Hop Count:1 / 7
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 !fa505051
Node ID format
channel_id MediumFast
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 1774665901.6309304
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: ~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": "MediumFast", "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 MediumFast 2026-03-28 02:45:01 UTC Current
VO1SU (VO1) -0.261s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.239s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.227s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.215s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.202s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.189s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.176s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.165s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.151s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.138s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.127s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.109s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.097s
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) -0.065s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.048s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.033s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.035s
After 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.066s
After 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.081s
After 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.092s
After 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.107s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.119s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.131s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.150s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.166s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.178s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.193s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.207s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.233s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.248s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.264s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.278s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.291s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.305s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.324s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.344s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.360s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.377s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.389s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.403s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.418s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.431s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.444s
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