Packet #17959740 Success

POSITION_APP packet from VA7XRJ (7XRJ) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
23
Payload Bytes
Packet Information
Database ID: 17959740
Mesh Packet ID: 0x2285bce9
Used for correlation across gateways
Timestamp: 2026-03-27 18:14:01 UTC
From Node: VA7XRJ (7XRJ)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VE7DCX Repeater (7DCX)
Channel: MediumFast
RSSI: -44 dBm
SNR: 6.25 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: f4 7XRJ
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: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:49.623859°
Longitude:-115.946291°
Altitude:949 m
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:23 bytes
Gateway:!9e779694
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 !9e779694
Node ID format
channel_id MediumFast
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2658511604
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 7
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -44.0 dBm
Signal strength at gateway
int32
rx_snr 6.25 dB
Signal quality at gateway
float
rx_time 1774635240
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 244
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774635241.3766403
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: MediumFast
  • ✓ 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: !9e779694
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -44.0 dBm
SNR: 6.25 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": 49.6238592, "longitude": -115.9462912, "altitude": 949, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e779694", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2658511604, "to": 4294967295, "id": 579189993, "rx_time": 1774635240, "rx_snr": 6.25, "rx_rssi": -44, "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": 244, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000941d150000e4ba18b50728017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 496238592, "longitude_i": -1159462912, "altitude": 949, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d0000941d150000e4ba18b50728017800800100b8010d
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
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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
VE7DCX Repeater (7DCX) Primary 0.000s
Reference
-44.0 dBm 6.25 dB 0 f4 7XRJ MediumFast 2026-03-27 18:14:01 UTC Current
VE7DCX Repeater (7DCX) -0.225s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ LongFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.199s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ LongFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.188s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ LongFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.172s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ LongFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.155s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ LongFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.145s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ LongFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.128s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ LongFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.115s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ LongFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.104s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ LongFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.092s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ LongFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.080s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ LongFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.068s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ MediumFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.056s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ MediumFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.044s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ MediumFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.033s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ MediumFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.022s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ MediumFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) -0.011s
Before
-44.0 dBm 6.25 dB 0 f4 7XRJ MediumFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.011s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ MediumFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.022s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ MediumFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.033s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ MediumFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.044s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ MediumFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.056s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.069s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.081s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.093s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.106s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.118s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.130s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.142s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.153s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.164s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.175s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortFast 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.186s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.197s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.208s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.218s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.229s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.242s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.254s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.268s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.280s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.295s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.308s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 18:14:01 UTC View
VE7DCX Repeater (7DCX) +0.320s
After
-44.0 dBm 6.25 dB 0 f4 7XRJ LongFast 2026-03-27 18:14:01 UTC View
45

Total Receptions

1

Unique Gateways