Packet #17649055 Success

POSITION_APP packet from Concerned Third Party SECONDARY ($CTP) to !ffffffff

46
Total Receptions
2
Unique Gateways
0
Hop Count
37
Payload Bytes
Packet Information
Database ID: 17649055
Mesh Packet ID: 0x878e8cd2
Used for correlation across gateways
Timestamp: 2026-03-27 01:44:04 UTC
From Node: Concerned Third Party SECONDARY ($CTP)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: !f71efd58 (fd58)
Channel: ShortFast
RSSI: -43 dBm
SNR: 11.5 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: b4 $CTP
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:51.091866°
Longitude:-114.163712°
Altitude:1185 m
Satellites:5
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:!f71efd58
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !f71efd58
Node ID format
channel_id ShortFast
packet MeshPacket (37 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2223541684
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 7
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -43.0 dBm
Signal strength at gateway 		int32
rx_snr 11.50 dB
Signal quality at gateway 		float
rx_time 1774575842
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 180
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774575844.6030748
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: ShortFast
  • ✓ 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
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !f71efd58
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -43.0 dBm
SNR: 11.50 dB
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": 51.0918656, "longitude": -114.163712, "altitude": 1185, "sats_in_view": 5, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f71efd58", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2223541684, "to": 4294967295, "id": 2274266322, "rx_time": 1774575842, "rx_snr": 11.5, "rx_rssi": -43, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 180, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000741e150000f4bb18a10925e2e0c569280258c70278038001a8e2b507980105b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 510918656, "longitude_i": -1141637120, "altitude": 1185, "time": 1774575842, "location_source": "LOC_INTERNAL", "PDOP": 327, "ground_speed": 3, "ground_track": 15561000, "sats_in_view": 5, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d0000741e150000f4bb18a10925e2e0c569280258c70278038001a8e2b507980105b8010d
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
!f71efd58 (fd58) Primary 0.000s
Reference 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortFast 2026-03-27 01:44:04 UTC Current
!f71efd58 (fd58) -0.338s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.320s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.307s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.291s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.269s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.248s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.237s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.225s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.213s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.196s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.183s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.171s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP MediumFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.160s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP MediumFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.147s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP MediumFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.132s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP MediumFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.121s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP MediumFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.105s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP MediumFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.095s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP MediumFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.083s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP MediumFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.070s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP MediumFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.054s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP MediumFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.036s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP MediumFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.024s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) -0.012s
Before 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.020s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.038s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.059s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.069s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.081s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.096s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.108s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.120s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortFast 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.132s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortTurbo 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.148s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortTurbo 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.161s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortTurbo 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.175s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortTurbo 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.186s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortTurbo 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.198s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortTurbo 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.210s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortTurbo 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.221s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortTurbo 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.232s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortTurbo 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.242s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortTurbo 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.253s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP ShortTurbo 2026-03-27 01:44:04 UTC View
!f71efd58 (fd58) +0.264s
After 		-43.0 dBm 11.50 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
!05389cf5 (9cf5) +0.276s
After 		-27.0 dBm 6.00 dB 0 b4 $CTP LongFast 2026-03-27 01:44:04 UTC View
46

Total Receptions

2

Unique Gateways