Packet #18105792 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: 18105792
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 1774665901.5983276
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) -0.228s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.207s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.195s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.183s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.169s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.156s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.143s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.133s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.118s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.106s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.094s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 LongFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.076s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.064s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.052s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.032s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) -0.015s
Before 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.033s
After 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.068s
After 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.099s
After 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.113s
After 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.125s
After 		-66.0 dBm 7.25 dB 1 55 VO1 MediumFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.139s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.152s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.164s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.183s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.198s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.211s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.225s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.240s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.266s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.281s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.297s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortFast 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.311s
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) +0.338s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.356s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.376s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.392s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:01 UTC View
VO1SU (VO1) +0.410s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.422s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.436s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.450s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.464s
After 		-66.0 dBm 7.25 dB 1 55 VO1 ShortTurbo 2026-03-28 02:45:02 UTC View
VO1SU (VO1) +0.477s
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