Packet #17790167 Success

POSITION_APP packet from Meshtastic NJF Base 🛰 (🛰) to !ffffffff

47
Total Receptions
3
Unique Gateways
1
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17790167
Mesh Packet ID: 0x859b81fd
Used for correlation across gateways
Timestamp: 2026-03-27 09:16:04 UTC
From Node: Meshtastic NJF Base 🛰 (🛰)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Mechanicus Dominus (M4)
Channel: ShortTurbo
RSSI: -100 dBm
SNR: -14.0 dBm
Hop Info: 1/3 hops
Start: 3, Limit: 2
Relay Node: fd
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:49.925325°
Longitude:-97.163674°
Altitude:232 m
Precision:14 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:28 bytes
Gateway:!6984d8b8
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:1 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 2 more...
Exposure Risks:
âš  Visible to all nodes on channel
âš  Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6984d8b8
Node ID format
channel_id ShortTurbo
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3559411698
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 28 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -100.0 dBm
Signal strength at gateway
int32
rx_snr -14.00 dB
Signal quality at gateway
float
rx_time 1774602963
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 253
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774602964.8372061
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
  • ✓ Reduced position precision: ~1500.0m accuracy
Exposure Risks:
  • âš  Visible to all nodes on channel
  • âš  Packet visible to MQTT subscribers
  • âš  Multi-hop path visible (1 hops)
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !6984d8b8
Position Precision: 14 bits (~1500.0m accuracy)
Position precision meters: 1500.0
Signal Metrics: RSSI: -100.0 dBm
SNR: -14.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.9253248, "longitude": -97.1636736, "altitude": 232, "sats_in_view": null, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6984d8b8", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3559411698, "to": 4294967295, "id": 2241561085, "rx_time": 1774602963, "rx_snr": -14.0, "rx_rssi": -100, "hop_limit": 2, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 253, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000c21d15000016c618e80125c44ac66928017800800100b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 499253248, "longitude_i": -971636736, "altitude": 232, "time": 1774602948, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d0000c21d15000016c618e80125c44ac66928017800800100b8010e
Hex Analysis:
Size:28 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
Mechanicus Dominus (M4) Primary 0.000s
Reference
-100.0 dBm -14.00 dB 1 fd ShortTurbo 2026-03-27 09:16:04 UTC Current
Mechanicus Dominus (M4) -0.570s
Before
-100.0 dBm -14.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.531s
Before
-100.0 dBm -14.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.516s
Before
-100.0 dBm -14.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.500s
Before
-100.0 dBm -14.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.483s
Before
-100.0 dBm -14.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.472s
Before
-100.0 dBm -14.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.461s
Before
-100.0 dBm -14.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.451s
Before
-100.0 dBm -14.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.440s
Before
-100.0 dBm -14.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.428s
Before
-100.0 dBm -14.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.416s
Before
-100.0 dBm -14.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.404s
Before
-100.0 dBm -14.00 dB 1 fd MediumFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.392s
Before
-100.0 dBm -14.00 dB 1 fd MediumFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.375s
Before
-100.0 dBm -14.00 dB 1 fd MediumFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.358s
Before
-100.0 dBm -14.00 dB 1 fd MediumFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.346s
Before
-100.0 dBm -14.00 dB 1 fd MediumFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.335s
Before
-100.0 dBm -14.00 dB 1 fd MediumFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.324s
Before
-100.0 dBm -14.00 dB 1 fd MediumFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.290s
Before
-100.0 dBm -14.00 dB 1 fd MediumFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.280s
Before
-100.0 dBm -14.00 dB 1 fd MediumFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.269s
Before
-100.0 dBm -14.00 dB 1 fd MediumFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.258s
Before
-100.0 dBm -14.00 dB 1 fd MediumFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.247s
Before
-100.0 dBm -14.00 dB 1 fd ShortFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.235s
Before
-100.0 dBm -14.00 dB 1 fd ShortFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.215s
Before
-100.0 dBm -14.00 dB 1 fd ShortFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.202s
Before
-100.0 dBm -14.00 dB 1 fd ShortFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.190s
Before
-100.0 dBm -14.00 dB 1 fd ShortFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.178s
Before
-100.0 dBm -14.00 dB 1 fd ShortFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.159s
Before
-100.0 dBm -14.00 dB 1 fd ShortFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.148s
Before
-100.0 dBm -14.00 dB 1 fd ShortFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.137s
Before
-100.0 dBm -14.00 dB 1 fd ShortFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.126s
Before
-100.0 dBm -14.00 dB 1 fd ShortFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.115s
Before
-100.0 dBm -14.00 dB 1 fd ShortFast 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.104s
Before
-100.0 dBm -14.00 dB 1 fd ShortTurbo 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.093s
Before
-100.0 dBm -14.00 dB 1 fd ShortTurbo 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.082s
Before
-100.0 dBm -14.00 dB 1 fd ShortTurbo 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.072s
Before
-100.0 dBm -14.00 dB 1 fd ShortTurbo 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.060s
Before
-100.0 dBm -14.00 dB 1 fd ShortTurbo 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.047s
Before
-100.0 dBm -14.00 dB 1 fd ShortTurbo 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.035s
Before
-100.0 dBm -14.00 dB 1 fd ShortTurbo 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.023s
Before
-100.0 dBm -14.00 dB 1 fd ShortTurbo 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) -0.012s
Before
-100.0 dBm -14.00 dB 1 fd ShortTurbo 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) +0.012s
After
-100.0 dBm -14.00 dB 1 fd ShortTurbo 2026-03-27 09:16:04 UTC View
Mechanicus Dominus (M4) +0.024s
After
-100.0 dBm -14.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Alpha (M1) +0.068s
After
-120.0 dBm -13.00 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
Mechanicus Cadia (M3) +0.079s
After
-127.0 dBm -16.50 dB 1 fd LongFast 2026-03-27 09:16:04 UTC View
47

Total Receptions

3

Unique Gateways