Packet #18904450 Success

POSITION_APP packet from !e0d034dc to !ffffffff

45
Total Receptions
1
Unique Gateways
3
Hop Count
36
Payload Bytes
Packet Information
Database ID: 18904450
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 1774831370.959842
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) -1.285s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.267s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.248s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.229s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.208s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.181s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.169s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.151s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.132s
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) -1.094s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 LongFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.076s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.058s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -1.039s
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) -0.999s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -0.971s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:49 UTC View
FourSisters (4sis) -0.953s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.935s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.918s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.899s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.879s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 MediumFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.868s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.850s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.833s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.813s
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) -0.785s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.768s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.749s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.731s
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) -0.672s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortFast 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.587s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.542s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.466s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.385s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.235s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.183s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.151s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.060s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.039s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) -0.019s
Before
-112.0 dBm -7.00 dB 3 c4 90c4 ShortTurbo 2026-03-30 00:42:50 UTC View
FourSisters (4sis) +0.066s
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