Packet #18153628 Success

POSITION_APP packet from VC2 to !ffffffff

47
Total Receptions
3
Unique Gateways
0
Hop Count
27
Payload Bytes
Packet Information
Database ID: 18153628
Mesh Packet ID: 0x4d88b617
Used for correlation across gateways
Timestamp: 2026-03-28 05:18:43 UTC
From Node: VC2 (3438)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: lizfort joyce-collingwood (lfjc)
Channel: ShortTurbo
RSSI: -74 dBm
SNR: 2.75 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 38 VC2
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: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:49.238890°
Longitude:-123.031840°
Altitude:126 m
Precision:32 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:27 bytes
Gateway:!73ab1026
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 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 !73ab1026
Node ID format
channel_id ShortTurbo
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 862598200
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 27 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 -74.0 dBm
Signal strength at gateway
int32
rx_snr 2.75 dB
Signal quality at gateway
float
rx_time 1774675116
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 56
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774675123.357375
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !73ab1026
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -74.0 dBm
SNR: 2.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.23889, "longitude": -123.03184, "altitude": 126, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!73ab1026", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 862598200, "to": 4294967295, "id": 1300805143, "rx_time": 1774675116, "rx_snr": 2.75, "rx_rssi": -74, "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": 56, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d2442591d15c0d4aab6187e256a64c76928017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 492388900, "longitude_i": -1230318400, "altitude": 126, "time": 1774675050, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d2442591d15c0d4aab6187e256a64c76928017800800100b80120
Hex Analysis:
Size:27 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
lizfort joyce-collingwood (lfjc) Primary 0.000s
Reference
-74.0 dBm 2.75 dB 0 38 VC2 ShortTurbo 2026-03-28 05:18:43 UTC Current
lizfort joyce-collingwood (lfjc) -2.623s
Before
-74.0 dBm 2.75 dB 0 38 VC2 LongFast 2026-03-28 05:18:40 UTC View
lizfort joyce-collingwood (lfjc) -2.606s
Before
-74.0 dBm 2.75 dB 0 38 VC2 LongFast 2026-03-28 05:18:40 UTC View
lizfort joyce-collingwood (lfjc) -2.591s
Before
-74.0 dBm 2.75 dB 0 38 VC2 LongFast 2026-03-28 05:18:40 UTC View
lizfort joyce-collingwood (lfjc) -2.575s
Before
-74.0 dBm 2.75 dB 0 38 VC2 LongFast 2026-03-28 05:18:40 UTC View
lizfort joyce-collingwood (lfjc) -2.557s
Before
-74.0 dBm 2.75 dB 0 38 VC2 LongFast 2026-03-28 05:18:40 UTC View
lizfort joyce-collingwood (lfjc) -2.541s
Before
-74.0 dBm 2.75 dB 0 38 VC2 LongFast 2026-03-28 05:18:40 UTC View
lizfort joyce-collingwood (lfjc) -2.520s
Before
-74.0 dBm 2.75 dB 0 38 VC2 LongFast 2026-03-28 05:18:40 UTC View
lizfort joyce-collingwood (lfjc) -2.503s
Before
-74.0 dBm 2.75 dB 0 38 VC2 LongFast 2026-03-28 05:18:40 UTC View
lizfort joyce-collingwood (lfjc) -2.489s
Before
-74.0 dBm 2.75 dB 0 38 VC2 LongFast 2026-03-28 05:18:40 UTC View
lizfort joyce-collingwood (lfjc) -2.472s
Before
-74.0 dBm 2.75 dB 0 38 VC2 LongFast 2026-03-28 05:18:40 UTC View
lizfort joyce-collingwood (lfjc) -2.109s
Before
-74.0 dBm 2.75 dB 0 38 VC2 LongFast 2026-03-28 05:18:41 UTC View
lizfort joyce-collingwood (lfjc) -2.096s
Before
-74.0 dBm 2.75 dB 0 38 VC2 MediumFast 2026-03-28 05:18:41 UTC View
lizfort joyce-collingwood (lfjc) -2.082s
Before
-74.0 dBm 2.75 dB 0 38 VC2 MediumFast 2026-03-28 05:18:41 UTC View
lizfort joyce-collingwood (lfjc) -2.061s
Before
-74.0 dBm 2.75 dB 0 38 VC2 MediumFast 2026-03-28 05:18:41 UTC View
lizfort joyce-collingwood (lfjc) -2.043s
Before
-74.0 dBm 2.75 dB 0 38 VC2 MediumFast 2026-03-28 05:18:41 UTC View
lizfort joyce-collingwood (lfjc) -2.007s
Before
-74.0 dBm 2.75 dB 0 38 VC2 MediumFast 2026-03-28 05:18:41 UTC View
lizfort joyce-collingwood (lfjc) -1.992s
Before
-74.0 dBm 2.75 dB 0 38 VC2 MediumFast 2026-03-28 05:18:41 UTC View
lizfort joyce-collingwood (lfjc) -1.979s
Before
-74.0 dBm 2.75 dB 0 38 VC2 MediumFast 2026-03-28 05:18:41 UTC View
lizfort joyce-collingwood (lfjc) -1.958s
Before
-74.0 dBm 2.75 dB 0 38 VC2 MediumFast 2026-03-28 05:18:41 UTC View
lizfort joyce-collingwood (lfjc) -1.568s
Before
-74.0 dBm 2.75 dB 0 38 VC2 MediumFast 2026-03-28 05:18:41 UTC View
lizfort joyce-collingwood (lfjc) -1.553s
Before
-74.0 dBm 2.75 dB 0 38 VC2 MediumFast 2026-03-28 05:18:41 UTC View
lizfort joyce-collingwood (lfjc) -1.167s
Before
-74.0 dBm 2.75 dB 0 38 VC2 MediumFast 2026-03-28 05:18:42 UTC View
lizfort joyce-collingwood (lfjc) -1.149s
Before
-74.0 dBm 2.75 dB 0 38 VC2 ShortFast 2026-03-28 05:18:42 UTC View
lizfort joyce-collingwood (lfjc) -0.773s
Before
-74.0 dBm 2.75 dB 0 38 VC2 ShortFast 2026-03-28 05:18:42 UTC View
lizfort joyce-collingwood (lfjc) -0.752s
Before
-74.0 dBm 2.75 dB 0 38 VC2 ShortFast 2026-03-28 05:18:42 UTC View
lizfort joyce-collingwood (lfjc) -0.734s
Before
-74.0 dBm 2.75 dB 0 38 VC2 ShortFast 2026-03-28 05:18:42 UTC View
lizfort joyce-collingwood (lfjc) -0.717s
Before
-74.0 dBm 2.75 dB 0 38 VC2 ShortFast 2026-03-28 05:18:42 UTC View
lizfort joyce-collingwood (lfjc) -0.697s
Before
-74.0 dBm 2.75 dB 0 38 VC2 ShortFast 2026-03-28 05:18:42 UTC View
lizfort joyce-collingwood (lfjc) -0.078s
Before
-74.0 dBm 2.75 dB 0 38 VC2 ShortFast 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) -0.061s
Before
-74.0 dBm 2.75 dB 0 38 VC2 ShortFast 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) -0.049s
Before
-74.0 dBm 2.75 dB 0 38 VC2 ShortFast 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) -0.037s
Before
-74.0 dBm 2.75 dB 0 38 VC2 ShortFast 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) -0.023s
Before
-74.0 dBm 2.75 dB 0 38 VC2 ShortFast 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) -0.012s
Before
-74.0 dBm 2.75 dB 0 38 VC2 ShortTurbo 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) +0.012s
After
-74.0 dBm 2.75 dB 0 38 VC2 ShortTurbo 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) +0.368s
After
-74.0 dBm 2.75 dB 0 38 VC2 ShortTurbo 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) +0.383s
After
-74.0 dBm 2.75 dB 0 38 VC2 ShortTurbo 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) +0.395s
After
-74.0 dBm 2.75 dB 0 38 VC2 ShortTurbo 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) +0.405s
After
-74.0 dBm 2.75 dB 0 38 VC2 ShortTurbo 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) +0.422s
After
-74.0 dBm 2.75 dB 0 38 VC2 ShortTurbo 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) +0.434s
After
-74.0 dBm 2.75 dB 0 38 VC2 ShortTurbo 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) +0.452s
After
-74.0 dBm 2.75 dB 0 38 VC2 ShortTurbo 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) +0.462s
After
-74.0 dBm 2.75 dB 0 38 VC2 ShortTurbo 2026-03-28 05:18:43 UTC View
lizfort joyce-collingwood (lfjc) +0.473s
After
-74.0 dBm 2.75 dB 0 38 VC2 LongFast 2026-03-28 05:18:43 UTC View
el8010_1 (e108) +0.484s
After
-135.0 dBm -13.00 dB 0 38 VC2 LongFast 2026-03-28 05:18:43 UTC View
FourSisters (4sis) +0.495s
After
-109.0 dBm -2.25 dB 0 38 VC2 LongFast 2026-03-28 05:18:43 UTC View
47

Total Receptions

3

Unique Gateways