Packet #17763621 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: 17763621
Mesh Packet ID: 0x366e0682
Used for correlation across gateways
Timestamp: 2026-03-27 07:58:08 UTC
From Node: VE3FTS-915MHz (AT91)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Woods Mesh 🌲 (WUDZ)
Channel: ShortFast
RSSI: -42 dBm
SNR: 7.5 dBm
Hop Info: 3/5 hops
Start: 5, Limit: 2
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:279 m
Satellites:6
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:ShortFast
Payload Type:POSITION_APP
Hop Count:3 / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...
Exposure Risks:
âš  Visible to all nodes on channel
âš  Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e7728c4
Node ID format
channel_id ShortFast
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 2
Remaining hops allowed
uint32
hop_start 5
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -42.0 dBm
Signal strength at gateway
int32
rx_snr 7.50 dB
Signal quality at gateway
float
rx_time 1774598285
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 1774598288.8929462
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: ~1500.0m accuracy
Exposure Risks:
  • âš  Visible to all nodes on channel
  • 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: -42.0 dBm
SNR: 7.50 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": 279, "sats_in_view": 6, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e7728c4", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1819540892, "to": 4294967295, "id": 913180290, "rx_time": 1774598285, "rx_snr": 7.5, "rx_rssi": -42, "hop_limit": 2, "hop_start": 5, "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": "0d0000a21915000096cf189702256d38c669280258d30178048001988dd50b980106b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 430047232, "longitude_i": -812253184, "altitude": 279, "time": 1774598253, "location_source": "LOC_INTERNAL", "PDOP": 211, "ground_speed": 4, "ground_track": 24463000, "sats_in_view": 6, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d0000a21915000096cf189702256d38c669280258d30178048001988dd50b980106b8010e
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
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:08 UTC Current
Woods Mesh 🌲 (WUDZ) -0.323s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.309s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.295s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.280s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.265s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.249s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.236s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.223s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.208s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.194s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.181s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.167s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.150s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.137s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.123s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.108s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.096s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.079s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.053s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.039s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.023s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.011s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) +0.040s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) +0.074s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) +0.112s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.148s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.195s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.216s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.237s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.269s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.283s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.301s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.315s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.328s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.350s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.365s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.380s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.393s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.405s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.418s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.434s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.450s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.465s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.481s
After
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:09 UTC View
45

Total Receptions

1

Unique Gateways