Packet #17766264 Success

POSITION_APP packet from eLoRaMesh Base (ELR2) to !ffffffff

46
Total Receptions
2
Unique Gateways
2
Hop Count
23
Payload Bytes
Packet Information
Database ID: 17766264
Mesh Packet ID: 0xa45f4b69
Used for correlation across gateways
Timestamp: 2026-03-27 08:09:41 UTC
From Node: eLoRaMesh Base (ELR2)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Seri Base d120 (SRB)
Channel: ShortFast
RSSI: -95 dBm
SNR: -0.25 dBm
Hop Info: 2/3 hops
Start: 3, Limit: 1
Relay Node: 48
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:43.689306°
Longitude:-80.439402°
Altitude:412 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:23 bytes
Gateway:!16ced120
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:2 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 !16ced120
Node ID format
channel_id ShortFast
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 861939080
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 23 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 -95.0 dBm
Signal strength at gateway
int32
rx_snr -0.25 dB
Signal quality at gateway
float
rx_time 1774598981
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 72
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774598981.9246376
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
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: !16ced120
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -95.0 dBm
SNR: -0.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.689306, "longitude": -80.439402, "altitude": 412, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 861939080, "to": 4294967295, "id": 2757708649, "rx_time": 1774598981, "rx_snr": -0.25, "rx_rssi": -95, "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": 72, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d84750a1a15dceb0dd0189c0328017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 436893060, "longitude_i": -804394020, "altitude": 412, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d84750a1a15dceb0dd0189c0328017800800100b80120
Hex Analysis:
Size:23 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...

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
Seri Base d120 (SRB) Primary 0.000s
Reference
-95.0 dBm -0.25 dB 2 48 ShortFast 2026-03-27 08:09:41 UTC Current
Seri Base d120 (SRB) -0.372s
Before
-95.0 dBm -0.25 dB 2 48 LongFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.346s
Before
-95.0 dBm -0.25 dB 2 48 LongFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.335s
Before
-95.0 dBm -0.25 dB 2 48 LongFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.319s
Before
-95.0 dBm -0.25 dB 2 48 LongFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.303s
Before
-95.0 dBm -0.25 dB 2 48 LongFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.274s
Before
-95.0 dBm -0.25 dB 2 48 LongFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.254s
Before
-95.0 dBm -0.25 dB 2 48 LongFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.242s
Before
-95.0 dBm -0.25 dB 2 48 LongFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.230s
Before
-95.0 dBm -0.25 dB 2 48 LongFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.218s
Before
-95.0 dBm -0.25 dB 2 48 LongFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.206s
Before
-95.0 dBm -0.25 dB 2 48 LongFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.195s
Before
-95.0 dBm -0.25 dB 2 48 MediumFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.184s
Before
-95.0 dBm -0.25 dB 2 48 MediumFast 2026-03-27 08:09:41 UTC View
Eco-Monkey LLP (mnky) -0.166s
Before
-93.0 dBm -9.75 dB 2 48 mnky LongFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.156s
Before
-95.0 dBm -0.25 dB 2 48 MediumFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.145s
Before
-95.0 dBm -0.25 dB 2 48 MediumFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.134s
Before
-95.0 dBm -0.25 dB 2 48 MediumFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.123s
Before
-95.0 dBm -0.25 dB 2 48 MediumFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.111s
Before
-95.0 dBm -0.25 dB 2 48 MediumFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.098s
Before
-95.0 dBm -0.25 dB 2 48 MediumFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.086s
Before
-95.0 dBm -0.25 dB 2 48 MediumFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.074s
Before
-95.0 dBm -0.25 dB 2 48 MediumFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.062s
Before
-95.0 dBm -0.25 dB 2 48 MediumFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.050s
Before
-95.0 dBm -0.25 dB 2 48 ShortFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.037s
Before
-95.0 dBm -0.25 dB 2 48 ShortFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.025s
Before
-95.0 dBm -0.25 dB 2 48 ShortFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) -0.014s
Before
-95.0 dBm -0.25 dB 2 48 ShortFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) +0.011s
After
-95.0 dBm -0.25 dB 2 48 ShortFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) +0.022s
After
-95.0 dBm -0.25 dB 2 48 ShortFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) +0.033s
After
-95.0 dBm -0.25 dB 2 48 ShortFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) +0.044s
After
-95.0 dBm -0.25 dB 2 48 ShortFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) +0.055s
After
-95.0 dBm -0.25 dB 2 48 ShortFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) +0.066s
After
-95.0 dBm -0.25 dB 2 48 ShortFast 2026-03-27 08:09:41 UTC View
Seri Base d120 (SRB) +0.079s
After
-95.0 dBm -0.25 dB 2 48 ShortTurbo 2026-03-27 08:09:42 UTC View
Seri Base d120 (SRB) +0.093s
After
-95.0 dBm -0.25 dB 2 48 ShortTurbo 2026-03-27 08:09:42 UTC View
Seri Base d120 (SRB) +0.105s
After
-95.0 dBm -0.25 dB 2 48 ShortTurbo 2026-03-27 08:09:42 UTC View
Seri Base d120 (SRB) +0.117s
After
-95.0 dBm -0.25 dB 2 48 ShortTurbo 2026-03-27 08:09:42 UTC View
Seri Base d120 (SRB) +0.129s
After
-95.0 dBm -0.25 dB 2 48 ShortTurbo 2026-03-27 08:09:42 UTC View
Seri Base d120 (SRB) +0.140s
After
-95.0 dBm -0.25 dB 2 48 ShortTurbo 2026-03-27 08:09:42 UTC View
Seri Base d120 (SRB) +0.152s
After
-95.0 dBm -0.25 dB 2 48 ShortTurbo 2026-03-27 08:09:42 UTC View
Seri Base d120 (SRB) +0.164s
After
-95.0 dBm -0.25 dB 2 48 ShortTurbo 2026-03-27 08:09:42 UTC View
Seri Base d120 (SRB) +0.174s
After
-95.0 dBm -0.25 dB 2 48 ShortTurbo 2026-03-27 08:09:42 UTC View
Seri Base d120 (SRB) +0.185s
After
-95.0 dBm -0.25 dB 2 48 ShortTurbo 2026-03-27 08:09:42 UTC View
Seri Base d120 (SRB) +0.195s
After
-95.0 dBm -0.25 dB 2 48 ShortTurbo 2026-03-27 08:09:42 UTC View
Seri Base d120 (SRB) +0.206s
After
-95.0 dBm -0.25 dB 2 48 LongFast 2026-03-27 08:09:42 UTC View
46

Total Receptions

2

Unique Gateways