Packet #17730306 Success

POSITION_APP packet from JPG 37fc (JPGx) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
37
Payload Bytes
Packet Information
Database ID: 17730306
Mesh Packet ID: 0x7a2ca33c
Used for correlation across gateways
Timestamp: 2026-03-27 06:15:57 UTC
From Node: JPG 37fc (JPGx)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: JPG 37fc (JPGx)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: fc JPGx
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: 37 bytes
Decoded: Yes
Decoded Data:
Latitude:43.017830°
Longitude:-80.923853°
Altitude:289 m
Satellites:8
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:37 bytes
Gateway:!f71e37fc
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 !f71e37fc
Node ID format
channel_id MediumFast
packet MeshPacket (37 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4145952764
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 37 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 1774592157
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 252
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774592157.8427737
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: MediumFast
  • ✓ 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: !f71e37fc
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:37 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.0178304, "longitude": -80.9238528, "altitude": 289, "sats_in_view": 8, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f71e37fc", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4145952764, "to": 4294967295, "id": 2049745724, "rx_time": 1774592157, "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": 252, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000a419150000c4cf18a102259d20c669280258bf0178008001c8ecb609980108b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 430178304, "longitude_i": -809238528, "altitude": 289, "time": 1774592157, "location_source": "LOC_INTERNAL", "PDOP": 191, "ground_speed": 0, "ground_track": 19773000, "sats_in_view": 8, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d0000a419150000c4cf18a102259d20c669280258bf0178008001c8ecb609980108b8010d
Hex Analysis:
Size:37 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

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
JPG 37fc (JPGx) Primary 0.000s
Reference 		Unknown Unknown 0 fc JPGx MediumFast 2026-03-27 06:15:57 UTC Current
JPG 37fc (JPGx) -0.180s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) -0.160s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) -0.148s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) -0.127s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) -0.107s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) -0.089s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) -0.071s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) -0.061s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) -0.050s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) -0.034s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) -0.023s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) -0.012s
Before 		Unknown Unknown 0 fc JPGx MediumFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.012s
After 		Unknown Unknown 0 fc JPGx MediumFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.025s
After 		Unknown Unknown 0 fc JPGx MediumFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.038s
After 		Unknown Unknown 0 fc JPGx MediumFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.050s
After 		Unknown Unknown 0 fc JPGx MediumFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.062s
After 		Unknown Unknown 0 fc JPGx MediumFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.081s
After 		Unknown Unknown 0 fc JPGx MediumFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.093s
After 		Unknown Unknown 0 fc JPGx MediumFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.104s
After 		Unknown Unknown 0 fc JPGx MediumFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.115s
After 		Unknown Unknown 0 fc JPGx MediumFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.126s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.136s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.148s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-03-27 06:15:57 UTC View
JPG 37fc (JPGx) +0.165s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.180s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.195s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.216s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.236s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.257s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.277s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.295s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.313s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.330s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.341s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.355s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.369s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.380s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.392s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.404s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.415s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.427s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.439s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-03-27 06:15:58 UTC View
JPG 37fc (JPGx) +0.450s
After 		Unknown Unknown 0 fc JPGx LongFast 2026-03-27 06:15:58 UTC View
45

Total Receptions

1

Unique Gateways