Packet #18015841 Success

POSITION_APP packet from YVR4 to !ffffffff

45
Total Receptions
1
Unique Gateways
2
Hop Count
22
Payload Bytes
Packet Information
Database ID: 18015841
Mesh Packet ID: 0xf4860bf6
Used for correlation across gateways
Timestamp: 2026-03-27 21:30:00 UTC
From Node: YVR4 (14c0)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: FourSisters (4sis)
Channel: ShortTurbo
RSSI: -99 dBm
SNR: 2.25 dBm
Hop Info: 2/5 hops
Start: 5, Limit: 3
Relay Node: a0
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:2 / 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 3
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -99.0 dBm
Signal strength at gateway 		int32
rx_snr 2.25 dB
Signal quality at gateway 		float
rx_time 1774646997
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 160
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774647000.4721673
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 (2 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: -99.0 dBm
SNR: 2.25 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": 4102425590, "rx_time": 1774646997, "rx_snr": 2.25, "rx_rssi": -99, "hop_limit": 3, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 160, "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

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 		-99.0 dBm 2.25 dB 2 a0 ShortTurbo 2026-03-27 21:30:00 UTC Current
FourSisters (4sis) -0.521s
Before 		-99.0 dBm 2.25 dB 2 a0 LongFast 2026-03-27 21:29:59 UTC View
FourSisters (4sis) -0.495s
Before 		-99.0 dBm 2.25 dB 2 a0 LongFast 2026-03-27 21:29:59 UTC View
FourSisters (4sis) -0.483s
Before 		-99.0 dBm 2.25 dB 2 a0 LongFast 2026-03-27 21:29:59 UTC View
FourSisters (4sis) -0.472s
Before 		-99.0 dBm 2.25 dB 2 a0 LongFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.459s
Before 		-99.0 dBm 2.25 dB 2 a0 LongFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.449s
Before 		-99.0 dBm 2.25 dB 2 a0 LongFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.438s
Before 		-99.0 dBm 2.25 dB 2 a0 LongFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.420s
Before 		-99.0 dBm 2.25 dB 2 a0 LongFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.409s
Before 		-99.0 dBm 2.25 dB 2 a0 LongFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.387s
Before 		-99.0 dBm 2.25 dB 2 a0 LongFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.376s
Before 		-99.0 dBm 2.25 dB 2 a0 LongFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.364s
Before 		-99.0 dBm 2.25 dB 2 a0 MediumFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.350s
Before 		-99.0 dBm 2.25 dB 2 a0 MediumFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.337s
Before 		-99.0 dBm 2.25 dB 2 a0 MediumFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.324s
Before 		-99.0 dBm 2.25 dB 2 a0 MediumFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.312s
Before 		-99.0 dBm 2.25 dB 2 a0 MediumFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.301s
Before 		-99.0 dBm 2.25 dB 2 a0 MediumFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.289s
Before 		-99.0 dBm 2.25 dB 2 a0 MediumFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.276s
Before 		-99.0 dBm 2.25 dB 2 a0 MediumFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.263s
Before 		-99.0 dBm 2.25 dB 2 a0 MediumFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.249s
Before 		-99.0 dBm 2.25 dB 2 a0 MediumFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.239s
Before 		-99.0 dBm 2.25 dB 2 a0 MediumFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.227s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.217s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.206s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.196s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.175s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.164s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.153s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.140s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.128s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.116s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.103s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortFast 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.092s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortTurbo 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.079s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortTurbo 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.067s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortTurbo 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.054s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortTurbo 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.044s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortTurbo 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.033s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortTurbo 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.022s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortTurbo 2026-03-27 21:30:00 UTC View
FourSisters (4sis) -0.011s
Before 		-99.0 dBm 2.25 dB 2 a0 ShortTurbo 2026-03-27 21:30:00 UTC View
FourSisters (4sis) +0.011s
After 		-99.0 dBm 2.25 dB 2 a0 ShortTurbo 2026-03-27 21:30:00 UTC View
FourSisters (4sis) +0.022s
After 		-99.0 dBm 2.25 dB 2 a0 ShortTurbo 2026-03-27 21:30:00 UTC View
FourSisters (4sis) +0.033s
After 		-99.0 dBm 2.25 dB 2 a0 LongFast 2026-03-27 21:30:00 UTC View
45

Total Receptions

1

Unique Gateways