Packet #17819337 Success

POSITION_APP packet from !ef8aaf79 to !ffffffff

45
Total Receptions
1
Unique Gateways
2
Hop Count
39
Payload Bytes
Packet Information
Database ID: 17819337
Mesh Packet ID: 0x4b23bcf9
Used for correlation across gateways
Timestamp: 2026-03-27 10:38:46 UTC
From Node: !ef8aaf79 (af79)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: lidman2 (lid2)
Channel: MediumFast
RSSI: -128 dBm
SNR: -20.25 dBm
Hop Info: 2/3 hops
Start: 3, Limit: 1
Relay Node: 49
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 39 bytes
Decoded: Yes
Decoded Data:
Latitude:49.754931°
Longitude:-97.150566°
Altitude:224 m
Satellites:8
Precision:12 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:39 bytes
Gateway:!9e7623cc
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:2 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e7623cc
Node ID format
channel_id MediumFast
packet MeshPacket (39 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4018843513
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 39 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -128.0 dBm
Signal strength at gateway 		int32
rx_snr -20.25 dB
Signal quality at gateway 		float
rx_time 1774607924
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 73
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774607926.6952252
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: ~5800.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e7623cc
Position Precision: 12 bits (~5800.0m accuracy)
Position precision meters: 5800.0
Signal Metrics: RSSI: -128.0 dBm
SNR: -20.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:39 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.7549312, "longitude": -97.1505664, "altitude": 224, "sats_in_view": 8, "precision_bits": 12 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e7623cc", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4018843513, "to": 4294967295, "id": 1260633337, "rx_time": 1774607924, "rx_snr": -20.25, "rx_rssi": -128, "hop_limit": 1, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 73, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000a81d15000018c618e00125365ec66928023dba5dc66958fd017800800100980108b8010c", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 497549312, "longitude_i": -971505664, "altitude": 224, "time": 1774607926, "location_source": "LOC_INTERNAL", "timestamp": 1774607802, "PDOP": 253, "ground_speed": 0, "ground_track": 0, "sats_in_view": 8, "precision_bits": 12, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (39 bytes)
0d0000a81d15000018c618e00125365ec66928023dba5dc66958fd017800800100980108b8010c
Hex Analysis:
Size:39 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
lidman2 (lid2) Primary 0.000s
Reference 		-128.0 dBm -20.25 dB 2 49 MediumFast 2026-03-27 10:38:46 UTC Current
lidman2 (lid2) -0.219s
Before 		-128.0 dBm -20.25 dB 2 49 LongFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) -0.200s
Before 		-128.0 dBm -20.25 dB 2 49 LongFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) -0.189s
Before 		-128.0 dBm -20.25 dB 2 49 LongFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) -0.171s
Before 		-128.0 dBm -20.25 dB 2 49 LongFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) -0.154s
Before 		-128.0 dBm -20.25 dB 2 49 LongFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) -0.137s
Before 		-128.0 dBm -20.25 dB 2 49 LongFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) -0.120s
Before 		-128.0 dBm -20.25 dB 2 49 LongFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) -0.104s
Before 		-128.0 dBm -20.25 dB 2 49 LongFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) -0.091s
Before 		-128.0 dBm -20.25 dB 2 49 LongFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) -0.063s
Before 		-128.0 dBm -20.25 dB 2 49 LongFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) -0.045s
Before 		-128.0 dBm -20.25 dB 2 49 LongFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) -0.033s
Before 		-128.0 dBm -20.25 dB 2 49 MediumFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) -0.014s
Before 		-128.0 dBm -20.25 dB 2 49 MediumFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.012s
After 		-128.0 dBm -20.25 dB 2 49 MediumFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.031s
After 		-128.0 dBm -20.25 dB 2 49 MediumFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.047s
After 		-128.0 dBm -20.25 dB 2 49 MediumFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.058s
After 		-128.0 dBm -20.25 dB 2 49 MediumFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.073s
After 		-128.0 dBm -20.25 dB 2 49 MediumFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.084s
After 		-128.0 dBm -20.25 dB 2 49 MediumFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.095s
After 		-128.0 dBm -20.25 dB 2 49 MediumFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.105s
After 		-128.0 dBm -20.25 dB 2 49 MediumFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.116s
After 		-128.0 dBm -20.25 dB 2 49 ShortFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.128s
After 		-128.0 dBm -20.25 dB 2 49 ShortFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.148s
After 		-128.0 dBm -20.25 dB 2 49 ShortFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.160s
After 		-128.0 dBm -20.25 dB 2 49 ShortFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.173s
After 		-128.0 dBm -20.25 dB 2 49 ShortFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.185s
After 		-128.0 dBm -20.25 dB 2 49 ShortFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.196s
After 		-128.0 dBm -20.25 dB 2 49 ShortFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.208s
After 		-128.0 dBm -20.25 dB 2 49 ShortFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.219s
After 		-128.0 dBm -20.25 dB 2 49 ShortFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.230s
After 		-128.0 dBm -20.25 dB 2 49 ShortFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.241s
After 		-128.0 dBm -20.25 dB 2 49 ShortFast 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.252s
After 		-128.0 dBm -20.25 dB 2 49 ShortTurbo 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.263s
After 		-128.0 dBm -20.25 dB 2 49 ShortTurbo 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.274s
After 		-128.0 dBm -20.25 dB 2 49 ShortTurbo 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.284s
After 		-128.0 dBm -20.25 dB 2 49 ShortTurbo 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.295s
After 		-128.0 dBm -20.25 dB 2 49 ShortTurbo 2026-03-27 10:38:46 UTC View
lidman2 (lid2) +0.308s
After 		-128.0 dBm -20.25 dB 2 49 ShortTurbo 2026-03-27 10:38:47 UTC View
lidman2 (lid2) +0.320s
After 		-128.0 dBm -20.25 dB 2 49 ShortTurbo 2026-03-27 10:38:47 UTC View
lidman2 (lid2) +0.332s
After 		-128.0 dBm -20.25 dB 2 49 ShortTurbo 2026-03-27 10:38:47 UTC View
lidman2 (lid2) +0.368s
After 		-128.0 dBm -20.25 dB 2 49 ShortTurbo 2026-03-27 10:38:47 UTC View
lidman2 (lid2) +0.379s
After 		-128.0 dBm -20.25 dB 2 49 ShortTurbo 2026-03-27 10:38:47 UTC View
lidman2 (lid2) +0.391s
After 		-128.0 dBm -20.25 dB 2 49 ShortTurbo 2026-03-27 10:38:47 UTC View
lidman2 (lid2) +0.402s
After 		-128.0 dBm -20.25 dB 2 49 LongFast 2026-03-27 10:38:47 UTC View
45

Total Receptions

1

Unique Gateways