Packet #39296582 Success

POSITION_APP packet from NGC3_Tag (NGC3) to !ffffffff

47
Total Receptions
3
Unique Gateways
2
Hop Count
30
Payload Bytes
Packet Information
Database ID: 39296582
Mesh Packet ID: 0x7762c381
Used for correlation across gateways
Timestamp: 2026-05-15 20:01:17 UTC
From Node: NGC3_Tag (NGC3)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: TINKERBELL L20/USON mt.gt 6358 (TINK)
Channel: MediumFast
RSSI: -116 dBm
SNR: -8.25 dBm
Hop Info: 2/3 hops
Start: 3, Limit: 1
Relay Node: f1
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 30 bytes
Decoded: Yes
Decoded Data:
Latitude:43.660083°
Longitude:-79.390310°
Altitude:97 m
Satellites:12
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:30 bytes
Gateway:!433a6358
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:2 / 3
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 !433a6358
Node ID format
channel_id MediumFast
packet MeshPacket (30 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 239472739
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 30 bytes size
hop_limit 1
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -116.0 dBm
Signal strength at gateway
int32
rx_snr -8.25 dB
Signal quality at gateway
float
rx_time 1778875275
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 1778875277.8840427
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: ~1500.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433a6358
Position Precision: 14 bits (~1500.0m accuracy)
Position precision meters: 1500.0
Signal Metrics: RSSI: -116.0 dBm
SNR: -8.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:30 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.6600832, "longitude": -79.3903104, "altitude": 97, "sats_in_view": 12, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433a6358", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 239472739, "to": 4294967295, "id": 2002961281, "rx_time": 1778875275, "rx_snr": -8.25, "rx_rssi": -116, "hop_limit": 1, "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": "0d0000061a150000aed0186125bd04096a2803780080010098010cb8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 436600832, "longitude_i": -793903104, "altitude": 97, "time": 1778975933, "location_source": "LOC_EXTERNAL", "ground_speed": 0, "ground_track": 0, "sats_in_view": 12, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (30 bytes)
0d0000061a150000aed0186125bd04096a2803780080010098010cb8010e
Hex Analysis:
Size:30 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...

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
-116.0 dBm -8.25 dB 2 f1 MediumFast 2026-05-15 20:01:17 UTC Current
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.232s
Before
-116.0 dBm -8.25 dB 2 f1 LongFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.201s
Before
-116.0 dBm -8.25 dB 2 f1 LongFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.184s
Before
-116.0 dBm -8.25 dB 2 f1 LongFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.166s
Before
-116.0 dBm -8.25 dB 2 f1 LongFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.149s
Before
-116.0 dBm -8.25 dB 2 f1 LongFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.132s
Before
-116.0 dBm -8.25 dB 2 f1 LongFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.121s
Before
-116.0 dBm -8.25 dB 2 f1 LongFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.110s
Before
-116.0 dBm -8.25 dB 2 f1 LongFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.097s
Before
-116.0 dBm -8.25 dB 2 f1 LongFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.075s
Before
-116.0 dBm -8.25 dB 2 f1 LongFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.062s
Before
-116.0 dBm -8.25 dB 2 f1 LongFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.050s
Before
-116.0 dBm -8.25 dB 2 f1 MediumFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.036s
Before
-116.0 dBm -8.25 dB 2 f1 MediumFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.024s
Before
-116.0 dBm -8.25 dB 2 f1 MediumFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.012s
Before
-116.0 dBm -8.25 dB 2 f1 MediumFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.011s
After
-116.0 dBm -8.25 dB 2 f1 MediumFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.023s
After
-116.0 dBm -8.25 dB 2 f1 MediumFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.034s
After
-116.0 dBm -8.25 dB 2 f1 MediumFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.052s
After
-116.0 dBm -8.25 dB 2 f1 MediumFast 2026-05-15 20:01:17 UTC View
AH001 (0d74) +0.069s
After
-119.0 dBm -12.25 dB 2 f1 LongFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.081s
After
-116.0 dBm -8.25 dB 2 f1 MediumFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.107s
After
-116.0 dBm -8.25 dB 2 f1 MediumFast 2026-05-15 20:01:17 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.132s
After
-116.0 dBm -8.25 dB 2 f1 ShortFast 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.150s
After
-116.0 dBm -8.25 dB 2 f1 ShortFast 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.162s
After
-116.0 dBm -8.25 dB 2 f1 ShortFast 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.174s
After
-116.0 dBm -8.25 dB 2 f1 ShortFast 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.186s
After
-116.0 dBm -8.25 dB 2 f1 ShortFast 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.198s
After
-116.0 dBm -8.25 dB 2 f1 ShortFast 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.210s
After
-116.0 dBm -8.25 dB 2 f1 ShortFast 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.221s
After
-116.0 dBm -8.25 dB 2 f1 ShortFast 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.232s
After
-116.0 dBm -8.25 dB 2 f1 ShortFast 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.243s
After
-116.0 dBm -8.25 dB 2 f1 ShortFast 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.253s
After
-116.0 dBm -8.25 dB 2 f1 ShortFast 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.265s
After
-116.0 dBm -8.25 dB 2 f1 ShortTurbo 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.276s
After
-116.0 dBm -8.25 dB 2 f1 ShortTurbo 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.287s
After
-116.0 dBm -8.25 dB 2 f1 ShortTurbo 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.299s
After
-116.0 dBm -8.25 dB 2 f1 ShortTurbo 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.312s
After
-116.0 dBm -8.25 dB 2 f1 ShortTurbo 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.324s
After
-116.0 dBm -8.25 dB 2 f1 ShortTurbo 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.341s
After
-116.0 dBm -8.25 dB 2 f1 ShortTurbo 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.354s
After
-116.0 dBm -8.25 dB 2 f1 ShortTurbo 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.366s
After
-116.0 dBm -8.25 dB 2 f1 ShortTurbo 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.377s
After
-116.0 dBm -8.25 dB 2 f1 ShortTurbo 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.389s
After
-116.0 dBm -8.25 dB 2 f1 ShortTurbo 2026-05-15 20:01:18 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.401s
After
-116.0 dBm -8.25 dB 2 f1 LongFast 2026-05-15 20:01:18 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.412s
After
Unknown Unknown 3 58 TINK LongFast 2026-05-15 20:01:18 UTC View
47

Total Receptions

3

Unique Gateways