Packet #17763625 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: 17763625
Mesh Packet ID: 0x366e0682
Used for correlation across gateways
Timestamp: 2026-03-27 07:58:09 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 1774598289.0412707
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 07:58:09 UTC Current
Woods Mesh 🌲 (WUDZ) -0.471s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.457s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.444s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.429s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.414s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.397s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.384s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.371s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.357s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.342s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.329s
Before
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.316s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.299s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.285s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.271s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.257s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.244s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.227s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.201s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.187s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.172s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.159s
Before
-42.0 dBm 7.50 dB 3 34 📡 MediumFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.148s
Before
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.108s
Before
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.074s
Before
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:08 UTC View
Woods Mesh 🌲 (WUDZ) -0.036s
Before
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.047s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.068s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.088s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.120s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.135s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.152s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortFast 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.166s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.179s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.202s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.217s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.231s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.245s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.257s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.270s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.286s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.302s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.317s
After
-42.0 dBm 7.50 dB 3 34 📡 ShortTurbo 2026-03-27 07:58:09 UTC View
Woods Mesh 🌲 (WUDZ) +0.333s
After
-42.0 dBm 7.50 dB 3 34 📡 LongFast 2026-03-27 07:58:09 UTC View
45

Total Receptions

1

Unique Gateways