Packet #39373783 Success

POSITION_APP packet from !49b5590c to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
34
Payload Bytes
Packet Information
Database ID: 39373783
Mesh Packet ID: 0x9946df2b
Used for correlation across gateways
Timestamp: 2026-05-16 00:52:37 UTC
From Node: !49b5590c (590c)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: !49b5590c (590c)
Channel: ShortFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 0c 590c
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: 34 bytes
Decoded: Yes
Decoded Data:
Latitude:44.276122°
Longitude:-76.572262°
Altitude:140 m
Satellites:5
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:34 bytes
Gateway:!49b5590c
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !49b5590c
Node ID format
channel_id ShortFast
packet MeshPacket (34 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1236621580
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 34 bytes size
hop_limit 3
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1778892567
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 10
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 12
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778892757.741282
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !49b5590c
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:34 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 44.2761216, "longitude": -76.5722624, "altitude": 140, "sats_in_view": 5, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!49b5590c", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1236621580, "to": 4294967295, "id": 2571558699, "rx_time": 1778892567, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 12, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000641a1500005cd2188c012517bf076a28025889047800800100980105b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 442761216, "longitude_i": -765722624, "altitude": 140, "time": 1778892567, "location_source": "LOC_INTERNAL", "PDOP": 521, "ground_speed": 0, "ground_track": 0, "sats_in_view": 5, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (34 bytes)
0d0000641a1500005cd2188c012517bf076a28025889047800800100980105b8010d
Hex Analysis:
Size:34 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
!49b5590c (590c) Primary 0.000s
Reference
Unknown Unknown 0 0c 590c ShortFast 2026-05-16 00:52:37 UTC Current
!49b5590c (590c) -0.341s
Before
Unknown Unknown 0 0c 590c LongFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.321s
Before
Unknown Unknown 0 0c 590c LongFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.303s
Before
Unknown Unknown 0 0c 590c LongFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.285s
Before
Unknown Unknown 0 0c 590c LongFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.265s
Before
Unknown Unknown 0 0c 590c LongFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.243s
Before
Unknown Unknown 0 0c 590c LongFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.231s
Before
Unknown Unknown 0 0c 590c LongFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.218s
Before
Unknown Unknown 0 0c 590c LongFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.207s
Before
Unknown Unknown 0 0c 590c LongFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.195s
Before
Unknown Unknown 0 0c 590c LongFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.184s
Before
Unknown Unknown 0 0c 590c LongFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.173s
Before
Unknown Unknown 0 0c 590c MediumFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.162s
Before
Unknown Unknown 0 0c 590c MediumFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.151s
Before
Unknown Unknown 0 0c 590c MediumFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.140s
Before
Unknown Unknown 0 0c 590c MediumFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.129s
Before
Unknown Unknown 0 0c 590c MediumFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.118s
Before
Unknown Unknown 0 0c 590c MediumFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.107s
Before
Unknown Unknown 0 0c 590c MediumFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.096s
Before
Unknown Unknown 0 0c 590c MediumFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.084s
Before
Unknown Unknown 0 0c 590c MediumFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.072s
Before
Unknown Unknown 0 0c 590c MediumFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.060s
Before
Unknown Unknown 0 0c 590c MediumFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.047s
Before
Unknown Unknown 0 0c 590c ShortFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.035s
Before
Unknown Unknown 0 0c 590c ShortFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.024s
Before
Unknown Unknown 0 0c 590c ShortFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) -0.012s
Before
Unknown Unknown 0 0c 590c ShortFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.011s
After
Unknown Unknown 0 0c 590c ShortFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.022s
After
Unknown Unknown 0 0c 590c ShortFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.033s
After
Unknown Unknown 0 0c 590c ShortFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.043s
After
Unknown Unknown 0 0c 590c ShortFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.064s
After
Unknown Unknown 0 0c 590c ShortFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.075s
After
Unknown Unknown 0 0c 590c ShortFast 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.086s
After
Unknown Unknown 0 0c 590c ShortTurbo 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.111s
After
Unknown Unknown 0 0c 590c ShortTurbo 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.124s
After
Unknown Unknown 0 0c 590c ShortTurbo 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.135s
After
Unknown Unknown 0 0c 590c ShortTurbo 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.147s
After
Unknown Unknown 0 0c 590c ShortTurbo 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.158s
After
Unknown Unknown 0 0c 590c ShortTurbo 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.170s
After
Unknown Unknown 0 0c 590c ShortTurbo 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.181s
After
Unknown Unknown 0 0c 590c ShortTurbo 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.193s
After
Unknown Unknown 0 0c 590c ShortTurbo 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.217s
After
Unknown Unknown 0 0c 590c ShortTurbo 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.228s
After
Unknown Unknown 0 0c 590c ShortTurbo 2026-05-16 00:52:37 UTC View
!49b5590c (590c) +0.240s
After
Unknown Unknown 0 0c 590c LongFast 2026-05-16 00:52:37 UTC View
45

Total Receptions

1

Unique Gateways