Packet #18904448 Success

POSITION_APP packet from !e0d034dc to !ffffffff

45
Total Receptions
1
Unique Gateways
3
Hop Count
36
Payload Bytes
Packet Information
Database ID: 18904448
Mesh Packet ID: 0xaf326373
Used for correlation across gateways
Timestamp: 2026-03-30 00:42:50 UTC
From Node: !e0d034dc (34dc)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: FourSisters (4sis)
Channel: ShortTurbo
RSSI: -112 dBm
SNR: -7.0 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: c4 90c4
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: 36 bytes
Decoded: Yes
Decoded Data:
Latitude:49.318215°
Longitude:-123.070804°
Altitude:49 m
Satellites:5
Precision:32 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:36 bytes
Gateway:!a0cb14e8
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a0cb14e8
Node ID format
channel_id ShortTurbo
packet MeshPacket (36 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3771741404
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 36 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 -112.0 dBm
Signal strength at gateway
int32
rx_snr -7.00 dB
Signal quality at gateway
float
rx_time 1774831364
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 196
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774831370.9205685
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: ShortTurbo
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0cb14e8
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -112.0 dBm
SNR: -7.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:36 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.3182151, "longitude": -123.0708043, "altitude": 49, "sats_in_view": 5, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cb14e8", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3771741404, "to": 4294967295, "id": 2939315059, "rx_time": 1774831364, "rx_snr": -7.0, "rx_rssi": -112, "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": 196, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0dc75c651d15b5e2a4b6183125f9c6c969280258840278018001b08d9105980105b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 493182151, "longitude_i": -1230708043, "altitude": 49, "time": 1774831353, "location_source": "LOC_INTERNAL", "PDOP": 260, "ground_speed": 1, "ground_track": 10766000, "sats_in_view": 5, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (36 bytes)
0dc75c651d15b5e2a4b6183125f9c6c969280258840278018001b08d9105980105b80120
Hex Analysis:
Size:36 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
FourSisters (4sis) Primary 0.000s
Reference
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC Current
FourSisters (4sis) -1.246s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.228s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.209s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.190s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.168s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.141s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.129s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.112s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.092s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.073s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.055s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.037s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.019s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.000s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -0.979s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -0.960s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -0.931s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -0.913s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.896s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.878s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.860s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.840s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.829s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.811s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.794s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.774s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.755s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.746s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.729s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.710s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.691s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.652s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.632s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.548s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.503s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.427s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.346s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.196s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.144s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.111s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.020s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) +0.020s
After
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) +0.039s
After
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) +0.105s
After
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:51 UTC View
45

Total Receptions

1

Unique Gateways