Packet #17794697 Success

POSITION_APP packet from YVR4 to !ffffffff

45
Total Receptions
1
Unique Gateways
4
Hop Count
22
Payload Bytes
Packet Information
Database ID: 17794697
Mesh Packet ID: 0xc1bc3bdd
Used for correlation across gateways
Timestamp: 2026-03-27 09:33:31 UTC
From Node: YVR4 (14c0)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: FourSisters (4sis)
Channel: ShortTurbo
RSSI: -117 dBm
SNR: -14.5 dBm
Hop Info: 4/5 hops
Start: 5, Limit: 1
Relay Node: c8
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 22 bytes
Decoded: Yes
Decoded Data:
Latitude:49.253581°
Longitude:-123.060224°
Precision:16 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:22 bytes
Gateway:!a0cb14e8
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:4 / 5
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 (22 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2697729216
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 22 bytes size
hop_limit 1
Remaining hops allowed
uint32
hop_start 5
Initial hop limit
uint32
hops_taken 4
Calculated: hop_start - hop_limit
derived
rx_rssi -117.0 dBm
Signal strength at gateway
int32
rx_snr -14.50 dB
Signal quality at gateway
float
rx_time 1774604007
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 200
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774604011.757182
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 (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0cb14e8
Position Precision: 16 bits (~364.0m accuracy)
Position precision meters: 364.0
Signal Metrics: RSSI: -117.0 dBm
SNR: -14.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:22 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.2535808, "longitude": -123.060224, "altitude": 0, "sats_in_view": null, "precision_bits": 16 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cb14e8", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2697729216, "to": 4294967295, "id": 3250338781, "rx_time": 1774604007, "rx_snr": -14.5, "rx_rssi": -117, "hop_limit": 1, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 200, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00805b1d150080a6b6180028017800800100b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 492535808, "longitude_i": -1230602240, "altitude": 0, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (22 bytes)
0d00805b1d150080a6b6180028017800800100b80110
Hex Analysis:
Size:22 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
-117.0 dBm -14.50 dB 4 c8 ShortTurbo 2026-03-27 09:33:31 UTC Current
FourSisters (4sis) -0.445s
Before
-117.0 dBm -14.50 dB 4 c8 LongFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.422s
Before
-117.0 dBm -14.50 dB 4 c8 LongFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.411s
Before
-117.0 dBm -14.50 dB 4 c8 LongFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.396s
Before
-117.0 dBm -14.50 dB 4 c8 LongFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.377s
Before
-117.0 dBm -14.50 dB 4 c8 LongFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.357s
Before
-117.0 dBm -14.50 dB 4 c8 LongFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.345s
Before
-117.0 dBm -14.50 dB 4 c8 LongFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.334s
Before
-117.0 dBm -14.50 dB 4 c8 LongFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.314s
Before
-117.0 dBm -14.50 dB 4 c8 LongFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.302s
Before
-117.0 dBm -14.50 dB 4 c8 LongFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.284s
Before
-117.0 dBm -14.50 dB 4 c8 LongFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.273s
Before
-117.0 dBm -14.50 dB 4 c8 MediumFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.262s
Before
-117.0 dBm -14.50 dB 4 c8 MediumFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.245s
Before
-117.0 dBm -14.50 dB 4 c8 MediumFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.234s
Before
-117.0 dBm -14.50 dB 4 c8 MediumFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.224s
Before
-117.0 dBm -14.50 dB 4 c8 MediumFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.213s
Before
-117.0 dBm -14.50 dB 4 c8 MediumFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.202s
Before
-117.0 dBm -14.50 dB 4 c8 MediumFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.190s
Before
-117.0 dBm -14.50 dB 4 c8 MediumFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.178s
Before
-117.0 dBm -14.50 dB 4 c8 MediumFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.166s
Before
-117.0 dBm -14.50 dB 4 c8 MediumFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.154s
Before
-117.0 dBm -14.50 dB 4 c8 MediumFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.142s
Before
-117.0 dBm -14.50 dB 4 c8 ShortFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.131s
Before
-117.0 dBm -14.50 dB 4 c8 ShortFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.119s
Before
-117.0 dBm -14.50 dB 4 c8 ShortFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.108s
Before
-117.0 dBm -14.50 dB 4 c8 ShortFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.097s
Before
-117.0 dBm -14.50 dB 4 c8 ShortFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.086s
Before
-117.0 dBm -14.50 dB 4 c8 ShortFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.075s
Before
-117.0 dBm -14.50 dB 4 c8 ShortFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.064s
Before
-117.0 dBm -14.50 dB 4 c8 ShortFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.054s
Before
-117.0 dBm -14.50 dB 4 c8 ShortFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.043s
Before
-117.0 dBm -14.50 dB 4 c8 ShortFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.032s
Before
-117.0 dBm -14.50 dB 4 c8 ShortFast 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.022s
Before
-117.0 dBm -14.50 dB 4 c8 ShortTurbo 2026-03-27 09:33:31 UTC View
FourSisters (4sis) -0.011s
Before
-117.0 dBm -14.50 dB 4 c8 ShortTurbo 2026-03-27 09:33:31 UTC View
FourSisters (4sis) +0.011s
After
-117.0 dBm -14.50 dB 4 c8 ShortTurbo 2026-03-27 09:33:31 UTC View
FourSisters (4sis) +0.021s
After
-117.0 dBm -14.50 dB 4 c8 ShortTurbo 2026-03-27 09:33:31 UTC View
FourSisters (4sis) +0.032s
After
-117.0 dBm -14.50 dB 4 c8 ShortTurbo 2026-03-27 09:33:31 UTC View
FourSisters (4sis) +0.044s
After
-117.0 dBm -14.50 dB 4 c8 ShortTurbo 2026-03-27 09:33:31 UTC View
FourSisters (4sis) +0.056s
After
-117.0 dBm -14.50 dB 4 c8 ShortTurbo 2026-03-27 09:33:31 UTC View
FourSisters (4sis) +0.070s
After
-117.0 dBm -14.50 dB 4 c8 ShortTurbo 2026-03-27 09:33:31 UTC View
FourSisters (4sis) +0.089s
After
-117.0 dBm -14.50 dB 4 c8 ShortTurbo 2026-03-27 09:33:31 UTC View
FourSisters (4sis) +0.102s
After
-117.0 dBm -14.50 dB 4 c8 ShortTurbo 2026-03-27 09:33:31 UTC View
FourSisters (4sis) +0.116s
After
-117.0 dBm -14.50 dB 4 c8 LongFast 2026-03-27 09:33:31 UTC View
45

Total Receptions

1

Unique Gateways