Packet #14052927 Success

POSITION_APP packet from SanMiRivas 5B🦖 (SMR5) to !ffffffff

54
Total Receptions
19
Unique Gateways
0
Hop Count
20
Payload Bytes
Packet Information
Database ID: 14052927
Mesh Packet ID: 0xe67e5633
Used for correlation across gateways
Timestamp: 2025-10-07 19:30:33 UTC
From Node: SanMiRivas 5B🦖 (SMR5)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: [TLG] 📡🌐🔋🔌 (tlg0)
Channel: MediumSlow
RSSI: -120 dBm
SNR: -13.0 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: POSITION_APP
Size: 20 bytes
Decoded: Yes
Decoded Data:
Latitude:40.343962°
Longitude:-3.538944°
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:20 bytes
Gateway:!da638a24
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
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da638a24
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 3885003011
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 -120.0 dBm
Signal strength at gateway 		int32
rx_snr -13.00 dB
Signal quality at gateway 		float
rx_time 1759865431
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 3
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759865433.6581068
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
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da638a24
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -120.0 dBm
SNR: -13.00 dB
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": 40.3439616, "longitude": -3.538944, "altitude": null, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3885003011, "to": 4294967295, "id": 3867039283, "rx_time": 1759865431, "rx_snr": -13.0, "rx_rssi": -120, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 3, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000c18150000e4fd25576ae5682802b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403439616, "longitude_i": -35389440, "time": 1759865431, "location_source": "LOC_INTERNAL", "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (20 bytes)
0d00000c18150000e4fd25576ae5682802b8010d
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
[TLG] 📡🌐🔋🔌 (tlg0) Primary 0.000s
Reference 		-120.0 dBm -13.00 dB 0 MediumSlow 2025-10-07 19:30:33 Current
XiaoWatt c4c8 🌐🔌 (c4c8) +0.907s
After 		-118.0 dBm -11.50 dB 1 MediumSlow 2025-10-07 19:30:34 View
Venturada2🗼🌐☀️ (Vb2) +2.161s
After 		-97.0 dBm -1.75 dB 2 MediumSlow 2025-10-07 19:30:35 View
Machu Pichu (MaPi) +2.958s
After 		-103.0 dBm -7.00 dB 3 MediumSlow 2025-10-07 19:30:36 View
Meshtastic 1760 (1760) +2.977s
After 		-130.0 dBm -11.75 dB 3 MediumSlow 2025-10-07 19:30:36 View
GRN1-Base🗼🌐 (GRN1) +3.023s
After 		-89.0 dBm 4.00 dB 3 MediumSlow 2025-10-07 19:30:36 View
Arganda C191 🌐 (ARG) +3.579s
After 		-118.0 dBm -9.50 dB 2 MediumSlow 2025-10-07 19:30:37 View
Antonio 82d4 (82d4) +3.585s
After 		-121.0 dBm -13.00 dB 3 MediumSlow 2025-10-07 19:30:37 View
Carbon EA4HKU (C) +3.790s
After 		-111.0 dBm -1.00 dB 4 MediumSlow 2025-10-07 19:30:37 View
Aldinra_1640_🗼_🌐 (AldB) +4.119s
After 		-109.0 dBm -4.50 dB 4 MediumSlow 2025-10-07 19:30:37 View
Meshtastic 18a4 (18a4) +4.235s
After 		Unknown Unknown 4 MediumSlow 2025-10-07 19:30:37 View
Oxygen EA4HKU (O) +4.529s
After 		-110.0 dBm -6.75 dB 4 MediumSlow 2025-10-07 19:30:38 View
Baldur Fijo (BalF) +4.789s
After 		-112.0 dBm -12.25 dB 4 MediumSlow 2025-10-07 19:30:38 View
Quass001 ☄️ (Q001) +4.795s
After 		-105.0 dBm -0.25 dB 4 MediumSlow 2025-10-07 19:30:38 View
tizon (Sylv) +4.800s
After 		-106.0 dBm 3.50 dB 4 MediumSlow 2025-10-07 19:30:38 View
Rodashtastic🗼🌐 (RDSt) +4.917s
After 		-114.0 dBm -6.00 dB 4 MediumSlow 2025-10-07 19:30:38 View
Trasto 🐰 Va (trva) +5.378s
After 		-104.0 dBm -1.25 dB 4 MediumSlow 2025-10-07 19:30:39 View
🌐Charly Unid Movil🛰 (C181) +5.692s
After 		-120.0 dBm -14.50 dB 4 MediumSlow 2025-10-07 19:30:39 View
Kenobi23 QTH (5aec) +236.094s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:34:29 View
Kenobi23 QTH (5aec) +254.129s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:34:47 View
Kenobi23 QTH (5aec) +265.143s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:34:58 View
Kenobi23 QTH (5aec) +276.146s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:35:09 View
Kenobi23 QTH (5aec) +287.151s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:35:20 View
Kenobi23 QTH (5aec) +299.162s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:35:32 View
Kenobi23 QTH (5aec) +319.164s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:35:52 View
Kenobi23 QTH (5aec) +344.191s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:36:17 View
Kenobi23 QTH (5aec) +374.188s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:36:47 View
Kenobi23 QTH (5aec) +394.198s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:37:07 View
Kenobi23 QTH (5aec) +419.210s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:37:32 View
Kenobi23 QTH (5aec) +464.222s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:38:17 View
Kenobi23 QTH (5aec) +484.253s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:38:37 View
Kenobi23 QTH (5aec) +534.255s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:39:27 View
Kenobi23 QTH (5aec) +554.271s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:39:47 View
Kenobi23 QTH (5aec) +599.302s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:40:32 View
Kenobi23 QTH (5aec) +624.334s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:40:57 View
Kenobi23 QTH (5aec) +674.354s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:41:48 View
Kenobi23 QTH (5aec) +699.372s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:42:13 View
Kenobi23 QTH (5aec) +744.416s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:42:58 View
Kenobi23 QTH (5aec) +769.430s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:43:23 View
Kenobi23 QTH (5aec) +814.448s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:44:08 View
Kenobi23 QTH (5aec) +839.460s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:44:33 View
Kenobi23 QTH (5aec) +884.500s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:45:18 View
Kenobi23 QTH (5aec) +909.528s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:45:43 View
Kenobi23 QTH (5aec) +954.537s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:46:28 View
Kenobi23 QTH (5aec) +979.553s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:46:53 View
Kenobi23 QTH (5aec) +1029.601s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:47:43 View
Kenobi23 QTH (5aec) +1054.620s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:48:08 View
Kenobi23 QTH (5aec) +1104.629s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:48:58 View
Kenobi23 QTH (5aec) +1124.644s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:49:18 View
Kenobi23 QTH (5aec) +1174.665s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:50:08 View
Kenobi23 QTH (5aec) +1194.723s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:50:28 View
Kenobi23 QTH (5aec) +1239.696s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:51:13 View
Kenobi23 QTH (5aec) +1264.709s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:51:38 View
Kenobi23 QTH (5aec) +1309.734s
After 		-101.0 dBm -1.75 dB 4 MediumSlow 2025-10-07 19:52:23 View
54

Total Receptions

19

Unique Gateways