Packet #39478764 Success

POSITION_APP packet from Meshtastic fc7c (fc7c) to !ffffffff

45
Total Receptions
1
Unique Gateways
3
Hop Count
37
Payload Bytes
Packet Information
Database ID: 39478764
Mesh Packet ID: 0x2e5a6600
Used for correlation across gateways
Timestamp: 2026-05-16 07:05:50 UTC
From Node: Meshtastic fc7c (fc7c)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: TINKERBELL L20/USON mt.gt 6358 (TINK)
Channel: ShortFast
RSSI: -118 dBm
SNR: -7.25 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: f1
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 37 bytes
Decoded: Yes
Decoded Data:
Latitude:43.699405°
Longitude:-79.560704°
Altitude:136 m
Satellites:10
Precision:13 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:!433a6358
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 !433a6358
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 4022467708
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 Not set uint32
hop_start 3
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -118.0 dBm
Signal strength at gateway
int32
rx_snr -7.25 dB
Signal quality at gateway
float
rx_time 1778915147
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 241
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778915150.0946128
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: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433a6358
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Signal Metrics: RSSI: -118.0 dBm
SNR: -7.25 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": 43.6994048, "longitude": -79.560704, "altitude": 136, "sats_in_view": 10, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433a6358", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4022467708, "to": 4294967295, "id": 777676288, "rx_time": 1778915147, "rx_snr": -7.25, "rx_rssi": -118, "hop_limit": 0, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 241, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000c1a15000094d0188801253c17086a280258ef01780a8001d08fcd1098010ab8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 436994048, "longitude_i": -795607040, "altitude": 136, "time": 1778915132, "location_source": "LOC_INTERNAL", "PDOP": 239, "ground_speed": 10, "ground_track": 34818000, "sats_in_view": 10, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d00000c1a15000094d0188801253c17086a280258ef01780a8001d08fcd1098010ab8010d
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
TINKERBELL L20/USON mt.gt 6358 (TINK) Primary 0.000s
Reference
-118.0 dBm -7.25 dB 3 f1 ShortFast 2026-05-16 07:05:50 UTC Current
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.370s
Before
-118.0 dBm -7.25 dB 3 f1 LongFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.346s
Before
-118.0 dBm -7.25 dB 3 f1 LongFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.336s
Before
-118.0 dBm -7.25 dB 3 f1 LongFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.325s
Before
-118.0 dBm -7.25 dB 3 f1 LongFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.315s
Before
-118.0 dBm -7.25 dB 3 f1 LongFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.304s
Before
-118.0 dBm -7.25 dB 3 f1 LongFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.293s
Before
-118.0 dBm -7.25 dB 3 f1 LongFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.282s
Before
-118.0 dBm -7.25 dB 3 f1 LongFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.271s
Before
-118.0 dBm -7.25 dB 3 f1 LongFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.259s
Before
-118.0 dBm -7.25 dB 3 f1 LongFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.247s
Before
-118.0 dBm -7.25 dB 3 f1 LongFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.233s
Before
-118.0 dBm -7.25 dB 3 f1 MediumFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.215s
Before
-118.0 dBm -7.25 dB 3 f1 MediumFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.200s
Before
-118.0 dBm -7.25 dB 3 f1 MediumFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.187s
Before
-118.0 dBm -7.25 dB 3 f1 MediumFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.174s
Before
-118.0 dBm -7.25 dB 3 f1 MediumFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.157s
Before
-118.0 dBm -7.25 dB 3 f1 MediumFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.144s
Before
-118.0 dBm -7.25 dB 3 f1 MediumFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.131s
Before
-118.0 dBm -7.25 dB 3 f1 MediumFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.119s
Before
-118.0 dBm -7.25 dB 3 f1 MediumFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.105s
Before
-118.0 dBm -7.25 dB 3 f1 MediumFast 2026-05-16 07:05:49 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.092s
Before
-118.0 dBm -7.25 dB 3 f1 MediumFast 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.080s
Before
-118.0 dBm -7.25 dB 3 f1 ShortFast 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.068s
Before
-118.0 dBm -7.25 dB 3 f1 ShortFast 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.057s
Before
-118.0 dBm -7.25 dB 3 f1 ShortFast 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.045s
Before
-118.0 dBm -7.25 dB 3 f1 ShortFast 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.034s
Before
-118.0 dBm -7.25 dB 3 f1 ShortFast 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.023s
Before
-118.0 dBm -7.25 dB 3 f1 ShortFast 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.011s
Before
-118.0 dBm -7.25 dB 3 f1 ShortFast 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.011s
After
-118.0 dBm -7.25 dB 3 f1 ShortFast 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.022s
After
-118.0 dBm -7.25 dB 3 f1 ShortFast 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.033s
After
-118.0 dBm -7.25 dB 3 f1 ShortFast 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.046s
After
-118.0 dBm -7.25 dB 3 f1 ShortTurbo 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.058s
After
-118.0 dBm -7.25 dB 3 f1 ShortTurbo 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.070s
After
-118.0 dBm -7.25 dB 3 f1 ShortTurbo 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.084s
After
-118.0 dBm -7.25 dB 3 f1 ShortTurbo 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.097s
After
-118.0 dBm -7.25 dB 3 f1 ShortTurbo 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.111s
After
-118.0 dBm -7.25 dB 3 f1 ShortTurbo 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.125s
After
-118.0 dBm -7.25 dB 3 f1 ShortTurbo 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.139s
After
-118.0 dBm -7.25 dB 3 f1 ShortTurbo 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.152s
After
-118.0 dBm -7.25 dB 3 f1 ShortTurbo 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.165s
After
-118.0 dBm -7.25 dB 3 f1 ShortTurbo 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.182s
After
-118.0 dBm -7.25 dB 3 f1 ShortTurbo 2026-05-16 07:05:50 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.196s
After
-118.0 dBm -7.25 dB 3 f1 LongFast 2026-05-16 07:05:50 UTC View
45

Total Receptions

1

Unique Gateways