Packet #13821956 Success

POSITION_APP packet from Baldur Fijo (BalF) to !ffffffff

17
Total Receptions
16
Unique Gateways
0
Hop Count
20
Payload Bytes
Packet Information
Database ID: 13821956
Mesh Packet ID: 0x9623fd28
Used for correlation across gateways
Timestamp: 2025-10-06 05:59:09 UTC
From Node: Baldur Fijo (BalF)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Baldur Fijo (BalF)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: POSITION_APP
Size: 20 bytes
Decoded: Yes
Decoded Data:
Latitude:40.369766°
Longitude:-3.740058°
Precision:19 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:20 bytes
Gateway:!9ea14a78
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 2 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 !9ea14a78
Node ID format
channel_id MediumSlow
packet MeshPacket (20 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2661370488
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 20 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1759730349
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 120
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759730349.5890348
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: MediumSlow
  • ✓ 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
MQTT-Specific Fields
Gateway ID: !9ea14a78
Position Precision: 19 bits (~45.0m accuracy)
Position precision meters: 45.0
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:20 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.3697664, "longitude": -3.7400576, "altitude": null, "sats_in_view": null, "precision_bits": 19 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9ea14a78", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2661370488, "to": 4294967295, "id": 2518940968, "rx_time": 1759730349, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 120, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00f00f18150050c5fd25ad5ae3682801b80113", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403697664, "longitude_i": -37400576, "time": 1759730349, "location_source": "LOC_MANUAL", "precision_bits": 19, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (20 bytes)
0d00f00f18150050c5fd25ad5ae3682801b80113
Hex Analysis:
Size:20 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 Channel Timestamp Actions
Baldur Fijo (BalF) Primary 0.000s
Reference 		Unknown Unknown 0 MediumSlow 2025-10-06 05:59:09 Current
Meshtastic 54a4 Justicia (54a4) +8.424s
After 		-112.0 dBm -6.00 dB 2 MediumSlow 2025-10-06 05:59:18 View
tizon (Sylv) +19.971s
After 		-102.0 dBm 5.00 dB 2 MediumSlow 2025-10-06 05:59:29 View
[TLG] 📡🌐🔋🔌 (tlg0) +20.932s
After 		-102.0 dBm 0.25 dB 3 MediumSlow 2025-10-06 05:59:30 View
Venturada2🗼🌐☀️ (Vb2) +21.621s
After 		-110.0 dBm -13.50 dB 4 MediumSlow 2025-10-06 05:59:31 View
Zion 🗼 (Zion) +21.838s
After 		-106.0 dBm -9.00 dB 4 MediumSlow 2025-10-06 05:59:31 View
GRN1-Base🗼🌐 (GRN1) +22.069s
After 		-100.0 dBm -4.75 dB 3 MediumSlow 2025-10-06 05:59:31 View
Oxygen EA4HKU (O) +25.991s
After 		-106.0 dBm -1.75 dB 4 MediumSlow 2025-10-06 05:59:35 View
g1bal (g1b0) +25.993s
After 		-110.0 dBm -5.25 dB 4 MediumSlow 2025-10-06 05:59:35 View
Carbon EA4HKU (C) +26.244s
After 		-113.0 dBm -4.00 dB 4 MediumSlow 2025-10-06 05:59:35 View
Suop 📡 🌐 (SUOP) +26.275s
After 		-117.0 dBm -7.50 dB 4 MediumSlow 2025-10-06 05:59:35 View
Rodashtastic🗼🌐 (RDSt) +26.321s
After 		-117.0 dBm -8.50 dB 4 MediumSlow 2025-10-06 05:59:35 View
Kenobi23 QTH (5aec) +26.372s
After 		-99.0 dBm -5.75 dB 4 MediumSlow 2025-10-06 05:59:35 View
Meshtastic 18a4 (18a4) +26.390s
After 		-126.0 dBm -16.25 dB 4 MediumSlow 2025-10-06 05:59:35 View
Mec Rocket Meco (MRM) +26.743s
After 		-90.0 dBm 6.00 dB 3 MediumSlow 2025-10-06 05:59:36 View
Meshtastic 2688 (2688) +433.926s
After 		-115.0 dBm -3.25 dB 4 MediumSlow 2025-10-06 06:06:23 View
Meshtastic 2688 (2688) +462.946s
After 		-115.0 dBm -3.25 dB 4 MediumSlow 2025-10-06 06:06:52 View
17

Total Receptions

16

Unique Gateways