Packet #39435481 Success

POSITION_APP packet from !041138f4 to !ffffffff

47
Total Receptions
3
Unique Gateways
4
Hop Count
23
Payload Bytes
Packet Information
Database ID: 39435481
Mesh Packet ID: 0xc1a77e7d
Used for correlation across gateways
Timestamp: 2026-05-16 04:33:01 UTC
From Node: !041138f4 (38f4)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 4/7 hops
Start: 7, Limit: 3
Relay Node: 58 TINK
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: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:43.070259°
Longitude:-78.826701°
Altitude:145 m
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:23 bytes
Gateway:!849a5234
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:4 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !849a5234
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 68237556
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 23 bytes size
hop_limit 3
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 4
Calculated: hop_start - hop_limit
derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1778905972
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 64
Packet priority level
enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 88
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778905981.4952157
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: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
MQTT-Specific Fields
Gateway ID: !849a5234
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.0702592, "longitude": -78.8267008, "altitude": 145, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!849a5234", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 68237556, "to": 4294967295, "id": 3248979581, "rx_time": 1778905972, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 64, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 88, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000ac1915000004d118910128017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 430702592, "longitude_i": -788267008, "altitude": 145, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d0000ac1915000004d118910128017800800100b8010d
Hex Analysis:
Size:23 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
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) Primary 0.000s
Reference
Unknown Unknown 4 58 TINK LongFast 2026-05-16 04:33:01 UTC Current
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.780s
Before
-118.0 dBm -7.50 dB 3 f1 LongFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.719s
Before
-118.0 dBm -7.50 dB 3 f1 LongFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.681s
Before
-118.0 dBm -7.50 dB 3 f1 LongFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.637s
Before
-118.0 dBm -7.50 dB 3 f1 LongFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.625s
Before
-118.0 dBm -7.50 dB 3 f1 LongFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.612s
Before
-118.0 dBm -7.50 dB 3 f1 LongFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.598s
Before
-118.0 dBm -7.50 dB 3 f1 LongFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.584s
Before
-118.0 dBm -7.50 dB 3 f1 LongFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.571s
Before
-118.0 dBm -7.50 dB 3 f1 LongFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.558s
Before
-118.0 dBm -7.50 dB 3 f1 LongFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.544s
Before
-118.0 dBm -7.50 dB 3 f1 LongFast 2026-05-16 04:33:00 UTC View
AH001 (0d74) -0.531s
Before
-121.0 dBm -14.50 dB 3 f1 LongFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.517s
Before
-118.0 dBm -7.50 dB 3 f1 MediumFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.505s
Before
-118.0 dBm -7.50 dB 3 f1 MediumFast 2026-05-16 04:33:00 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.492s
Before
-118.0 dBm -7.50 dB 3 f1 MediumFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.480s
Before
-118.0 dBm -7.50 dB 3 f1 MediumFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.468s
Before
-118.0 dBm -7.50 dB 3 f1 MediumFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.455s
Before
-118.0 dBm -7.50 dB 3 f1 MediumFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.445s
Before
-118.0 dBm -7.50 dB 3 f1 MediumFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.432s
Before
-118.0 dBm -7.50 dB 3 f1 MediumFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.419s
Before
-118.0 dBm -7.50 dB 3 f1 MediumFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.406s
Before
-118.0 dBm -7.50 dB 3 f1 MediumFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.395s
Before
-118.0 dBm -7.50 dB 3 f1 MediumFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.384s
Before
-118.0 dBm -7.50 dB 3 f1 ShortFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.370s
Before
-118.0 dBm -7.50 dB 3 f1 ShortFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.355s
Before
-118.0 dBm -7.50 dB 3 f1 ShortFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.342s
Before
-118.0 dBm -7.50 dB 3 f1 ShortFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.325s
Before
-118.0 dBm -7.50 dB 3 f1 ShortFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.269s
Before
-118.0 dBm -7.50 dB 3 f1 ShortFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.251s
Before
-118.0 dBm -7.50 dB 3 f1 ShortFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.238s
Before
-118.0 dBm -7.50 dB 3 f1 ShortFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.225s
Before
-118.0 dBm -7.50 dB 3 f1 ShortFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.207s
Before
-118.0 dBm -7.50 dB 3 f1 ShortFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.191s
Before
-118.0 dBm -7.50 dB 3 f1 ShortFast 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.174s
Before
-118.0 dBm -7.50 dB 3 f1 ShortTurbo 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.158s
Before
-118.0 dBm -7.50 dB 3 f1 ShortTurbo 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.136s
Before
-118.0 dBm -7.50 dB 3 f1 ShortTurbo 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.122s
Before
-118.0 dBm -7.50 dB 3 f1 ShortTurbo 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.110s
Before
-118.0 dBm -7.50 dB 3 f1 ShortTurbo 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.098s
Before
-118.0 dBm -7.50 dB 3 f1 ShortTurbo 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.084s
Before
-118.0 dBm -7.50 dB 3 f1 ShortTurbo 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.068s
Before
-118.0 dBm -7.50 dB 3 f1 ShortTurbo 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.055s
Before
-118.0 dBm -7.50 dB 3 f1 ShortTurbo 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.042s
Before
-118.0 dBm -7.50 dB 3 f1 ShortTurbo 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.029s
Before
-118.0 dBm -7.50 dB 3 f1 ShortTurbo 2026-05-16 04:33:01 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.012s
Before
-118.0 dBm -7.50 dB 3 f1 LongFast 2026-05-16 04:33:01 UTC View
47

Total Receptions

3

Unique Gateways