Packet #39552461 Success

POSITION_APP packet from VE3FTS-915MHz (AT91) to !ffffffff

45
Total Receptions
1
Unique Gateways
3
Hop Count
37
Payload Bytes
Packet Information
Database ID: 39552461
Mesh Packet ID: 0x79734e30
Used for correlation across gateways
Timestamp: 2026-05-16 11:10:24 UTC
From Node: VE3FTS-915MHz (AT91)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Woods Mesh 🌲 (WUDZ)
Channel: LongFast
RSSI: -40 dBm
SNR: 6.0 dBm
Hop Info: 3/7 hops
Start: 7, Limit: 4
Relay Node: 34 📡
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: 37 bytes
Decoded: Yes
Decoded Data:
Latitude:43.004723°
Longitude:-81.225318°
Altitude:266 m
Satellites:5
Precision:14 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:!9e7728c4
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:3 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
âš  Visible to all nodes on channel
âš  Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e7728c4
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (37 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1819540892
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 4
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -40.0 dBm
Signal strength at gateway
int32
rx_snr 6.00 dB
Signal quality at gateway
float
rx_time 1778929823
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 52
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778929824.5742624
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
  • ✓ Reduced position precision: ~1500.0m accuracy
Exposure Risks:
  • âš  Visible to all nodes on channel
  • âš  Default channel - no encryption
  • âš  Packet visible to MQTT subscribers
  • âš  Multi-hop path visible (3 hops)
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e7728c4
Position Precision: 14 bits (~1500.0m accuracy)
Position precision meters: 1500.0
Signal Metrics: RSSI: -40.0 dBm
SNR: 6.00 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": 43.0047232, "longitude": -81.2253184, "altitude": 266, "sats_in_view": 5, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e7728c4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1819540892, "to": 4294967295, "id": 2037599792, "rx_time": 1778929823, "rx_snr": 6.0, "rx_rssi": -40, "hop_limit": 4, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 52, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000a21915000096cf188a02257d50086a280258ca0378078001b0a2f80a980105b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 430047232, "longitude_i": -812253184, "altitude": 266, "time": 1778929789, "location_source": "LOC_INTERNAL", "PDOP": 458, "ground_speed": 7, "ground_track": 22942000, "sats_in_view": 5, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d0000a21915000096cf188a02257d50086a280258ca0378078001b0a2f80a980105b8010e
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
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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
Woods Mesh 🌲 (WUDZ) Primary 0.000s
Reference
-40.0 dBm 6.00 dB 3 34 📡 LongFast 2026-05-16 11:10:24 UTC Current
Woods Mesh 🌲 (WUDZ) -0.127s
Before
-40.0 dBm 6.00 dB 3 34 📡 LongFast 2026-05-16 11:10:24 UTC View
Woods Mesh 🌲 (WUDZ) -0.025s
Before
-40.0 dBm 6.00 dB 3 34 📡 LongFast 2026-05-16 11:10:24 UTC View
Woods Mesh 🌲 (WUDZ) -0.013s
Before
-40.0 dBm 6.00 dB 3 34 📡 LongFast 2026-05-16 11:10:24 UTC View
Woods Mesh 🌲 (WUDZ) +0.015s
After
-40.0 dBm 6.00 dB 3 34 📡 LongFast 2026-05-16 11:10:24 UTC View
Woods Mesh 🌲 (WUDZ) +0.317s
After
-40.0 dBm 6.00 dB 3 34 📡 LongFast 2026-05-16 11:10:24 UTC View
Woods Mesh 🌲 (WUDZ) +0.675s
After
-40.0 dBm 6.00 dB 3 34 📡 LongFast 2026-05-16 11:10:25 UTC View
Woods Mesh 🌲 (WUDZ) +0.687s
After
-40.0 dBm 6.00 dB 3 34 📡 LongFast 2026-05-16 11:10:25 UTC View
Woods Mesh 🌲 (WUDZ) +1.020s
After
-40.0 dBm 6.00 dB 3 34 📡 LongFast 2026-05-16 11:10:25 UTC View
Woods Mesh 🌲 (WUDZ) +1.040s
After
-40.0 dBm 6.00 dB 3 34 📡 LongFast 2026-05-16 11:10:25 UTC View
Woods Mesh 🌲 (WUDZ) +1.055s
After
-40.0 dBm 6.00 dB 3 34 📡 LongFast 2026-05-16 11:10:25 UTC View
Woods Mesh 🌲 (WUDZ) +1.069s
After
-40.0 dBm 6.00 dB 3 34 📡 MediumFast 2026-05-16 11:10:25 UTC View
Woods Mesh 🌲 (WUDZ) +1.082s
After
-40.0 dBm 6.00 dB 3 34 📡 MediumFast 2026-05-16 11:10:25 UTC View
Woods Mesh 🌲 (WUDZ) +1.450s
After
-40.0 dBm 6.00 dB 3 34 📡 MediumFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.463s
After
-40.0 dBm 6.00 dB 3 34 📡 MediumFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.477s
After
-40.0 dBm 6.00 dB 3 34 📡 MediumFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.491s
After
-40.0 dBm 6.00 dB 3 34 📡 MediumFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.504s
After
-40.0 dBm 6.00 dB 3 34 📡 MediumFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.519s
After
-40.0 dBm 6.00 dB 3 34 📡 MediumFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.532s
After
-40.0 dBm 6.00 dB 3 34 📡 MediumFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.545s
After
-40.0 dBm 6.00 dB 3 34 📡 MediumFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.558s
After
-40.0 dBm 6.00 dB 3 34 📡 MediumFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.573s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.587s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.600s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.611s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.624s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.638s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.650s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.970s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.982s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +1.995s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.007s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortFast 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.019s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortTurbo 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.031s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortTurbo 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.043s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortTurbo 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.056s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortTurbo 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.069s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortTurbo 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.086s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortTurbo 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.098s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortTurbo 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.115s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortTurbo 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.128s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortTurbo 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.143s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortTurbo 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.159s
After
-40.0 dBm 6.00 dB 3 34 📡 ShortTurbo 2026-05-16 11:10:26 UTC View
Woods Mesh 🌲 (WUDZ) +2.174s
After
-40.0 dBm 6.00 dB 3 34 📡 LongFast 2026-05-16 11:10:26 UTC View
45

Total Receptions

1

Unique Gateways