Packet #12806373 Success

POSITION_APP packet from SkG@Home 📡🌐 (SkGH) to !ffffffff

21
Total Receptions
21
Unique Gateways
0
Hop Count
23
Payload Bytes
Packet Information
Database ID: 12806373
Mesh Packet ID: 0xb1de6894
Used for correlation across gateways
Timestamp: 2025-09-29 19:29:11 UTC
From Node: SkG@Home 📡🌐 (SkGH)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: SkG@Home 📡🌐 (SkGH)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: POSITION_APP
Size: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:40.343962°
Longitude:-3.801088°
Altitude:740 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:!405d4a44
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
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !405d4a44
Node ID format
channel_id MediumSlow
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1079855684
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 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 1759174145
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 68
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759174151.6955502
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
  • ✓ 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
MQTT-Specific Fields
Gateway ID: !405d4a44
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
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:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.3439616, "longitude": -3.801088, "altitude": 740, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!405d4a44", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1079855684, "to": 4294967295, "id": 2984142996, "rx_time": 1759174145, "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": 68, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000c18150000bcfd18e40528017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403439616, "longitude_i": -38010880, "altitude": 740, "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)
0d00000c18150000bcfd18e40528017800800100b8010d
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 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
SkG@Home 📡🌐 (SkGH) Primary 0.000s
Reference 		Unknown Unknown 0 MediumSlow 2025-09-29 19:29:11 Current
Void🌀 (V01d) +0.986s
After 		-51.0 dBm 8.25 dB 0 MediumSlow 2025-09-29 19:29:12 View
Meshtastic 53fc (53fc) +1.901s
After 		-129.0 dBm -16.75 dB 1 MediumSlow 2025-09-29 19:29:13 View
Will - Azuqueca (WAzq) +2.116s
After 		-108.0 dBm -1.75 dB 2 MediumSlow 2025-09-29 19:29:13 View
Venturada2🗼🌐☀️ (Vb2) +2.125s
After 		-92.0 dBm 1.00 dB 2 MediumSlow 2025-09-29 19:29:13 View
Machu Pichu (MaPi) +2.402s
After 		-94.0 dBm 1.50 dB 2 MediumSlow 2025-09-29 19:29:14 View
Rodashtastic🗼🌐 (RDSt) +2.441s
After 		-114.0 dBm -7.25 dB 2 MediumSlow 2025-09-29 19:29:14 View
Meshtastic 1760 (1760) +2.451s
After 		-123.0 dBm -7.00 dB 2 MediumSlow 2025-09-29 19:29:14 View
[TLG] 📡🌐🔋🔌 (tlg0) +2.453s
After 		-110.0 dBm -6.75 dB 2 MediumSlow 2025-09-29 19:29:14 View
Villalbilla02 (VBV2) +2.583s
After 		-111.0 dBm -1.50 dB 2 MediumSlow 2025-09-29 19:29:14 View
Kenobi23 QTH (5aec) +2.585s
After 		-109.0 dBm -8.50 dB 2 MediumSlow 2025-09-29 19:29:14 View
Perseo 📡🌐☀ (nvm1) +2.607s
After 		-93.0 dBm -3.25 dB 3 MediumSlow 2025-09-29 19:29:14 View
Arganda C191 🌐 (ARG) +2.695s
After 		-117.0 dBm -8.25 dB 2 MediumSlow 2025-09-29 19:29:14 View
Malasaña Solar ☀️ (🌇) +3.127s
After 		-102.0 dBm 2.00 dB 2 MediumSlow 2025-09-29 19:29:14 View
TO_Cala_Base2🗼🌐☀️ (33C8) +3.184s
After 		-109.0 dBm -4.50 dB 3 MediumSlow 2025-09-29 19:29:14 View
Meshtastic 18a4 (18a4) +3.324s
After 		-61.0 dBm 11.00 dB 3 MediumSlow 2025-09-29 19:29:15 View
EA5GHE-09 (58a8) +3.612s
After 		-104.0 dBm -11.25 dB 3 MediumSlow 2025-09-29 19:29:15 View
Naranjo C191 🌐 (FNL) +3.746s
After 		-96.0 dBm 6.25 dB 3 MediumSlow 2025-09-29 19:29:15 View
🌐Charly Unid Movil🛰 (C181) +3.873s
After 		-24.0 dBm 8.25 dB 3 MediumSlow 2025-09-29 19:29:15 View
EA4HTS Ventas 🗼🇪🇸 (HTSv) +4.948s
After 		-112.0 dBm -4.00 dB 4 MediumSlow 2025-09-29 19:29:16 View
Suop 📡 🌐 (SUOP) +5.466s
After 		-113.0 dBm -4.75 dB 4 MediumSlow 2025-09-29 19:29:17 View
21

Total Receptions

21

Unique Gateways