Packet #1887155 Success

TELEMETRY_APP packet from Port Authority Bldg - seano@masto.nyc (pab) to !ffffffff

22
Total Receptions
16
Unique Gateways
3
Hop Count
26
Payload Bytes
Packet Information
Database ID: 1887155
Mesh Packet ID: 0x7b6c7e69
Used for correlation across gateways
Timestamp: 2025-11-11 13:31:34 UTC
From Node: Port Authority Bldg - seano@masto.nyc (pab)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Meshtastic 1ca3 (1ca3)
Channel: LongFast
RSSI: -125 dBm
SNR: -19.0 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: 31 a031
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: TELEMETRY_APP
Size: 26 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Voltage:2.69 V
Channel Usage:17.5%
Air Util TX:0.0%
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:26 bytes
Gateway:!8ac01ca3
Channel:LongFast
Payload Type:TELEMETRY_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !8ac01ca3
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (26 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1446011625
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 67
TELEMETRY_APP 		enum
decoded.payload_length 26 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -125.0 dBm
Signal strength at gateway 		int32
rx_snr -19.00 dB
Signal quality at gateway 		float
rx_time 1762867966
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 49
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1762867894.8268697
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)
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !8ac01ca3
Signal Metrics: RSSI: -125.0 dBm
SNR: -19.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:26 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 65, "device_metrics": { "battery_level": 0, "voltage": 2.692, "channel_utilization": 17.461666, "air_util_tx": 0.03188889, "uptime_seconds": 65 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!8ac01ca3", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1446011625, "to": 4294967295, "id": 2070707817, "rx_time": 1762867966, "rx_snr": -19.0, "rx_rssi": -125, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 49, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d410000001213080015ba492c401d7eb18b4125ed9d023d2841", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 65, "device_metrics": { "battery_level": 0, "voltage": 2.692, "channel_utilization": 17.461666, "air_util_tx": 0.03188889, "uptime_seconds": 65 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (26 bytes)
0d410000001213080015ba492c401d7eb18b4125ed9d023d2841
Hex Analysis:
Size:26 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 Relay Channel Timestamp Actions
Meshtastic 1ca3 (1ca3) Primary 0.000s
Reference 		-125.0 dBm -19.00 dB 3 31 a031 LongFast 2025-11-11 13:31:34 UTC Current
dkTowerBot (dkTB) -8.146s
Before 		-103.0 dBm -13.00 dB 0 e9 pab LongFast 2025-11-11 13:31:26 UTC View
ClaremontWx.net (CmWx) -8.119s
Before 		-96.0 dBm -7.00 dB 0 e9 pab , dmbl LongFast 2025-11-11 13:31:26 UTC View
DRP1 Chelsea (DRP1) -7.777s
Before 		-107.0 dBm -6.25 dB 0 e9 pab , dmbl LongFast 2025-11-11 13:31:27 UTC View
1 MW 1 West Side | https://nyme.sh (1MW1) -7.496s
Before 		-118.0 dBm -15.00 dB 0 e9 pab , 📶 LongFast 2025-11-11 13:31:27 UTC View
Steiner Studios Tower (SST) -1.592s
Before 		-113.0 dBm -7.25 dB 2 c9 Penn , JLX3 LongFast 2025-11-11 13:31:33 UTC View
bit0fun | nyme.sh (🟠) -1.224s
Before 		-111.0 dBm -10.25 dB 2 c9 Penn , JLX3 LongFast 2025-11-11 13:31:33 UTC View
K2XAP / nyme.sh (XAP) -1.201s
Before 		-120.0 dBm -10.00 dB 2 c9 Penn , JLX3 LongFast 2025-11-11 13:31:33 UTC View
Blue Soda (p0p) -0.986s
Before 		-106.0 dBm -10.25 dB 2 c9 Penn LongFast 2025-11-11 13:31:33 UTC View
aurelia (🧚) -0.487s
Before 		-109.0 dBm -1.00 dB 2 c9 Penn LongFast 2025-11-11 13:31:34 UTC View
Fried Fish 1 | nyme.sh (FF1) -0.417s
Before 		-84.0 dBm 2.50 dB 3 40 BRRN LongFast 2025-11-11 13:31:34 UTC View
BeMoreSQUIP 1 (VPP1) +156.630s
After 		-123.0 dBm -17.25 dB 3 b1 LongFast 2025-11-11 13:34:11 UTC View
P1geon (PGN1) +198.138s
After 		-116.0 dBm -16.00 dB 2 56 JLX6 LongFast 2025-11-11 13:34:52 UTC View
P1geon (PGN1) +207.128s
After 		-116.0 dBm -16.00 dB 2 56 JLX6 LongFast 2025-11-11 13:35:01 UTC View
CBZ0 🚕 mobile (CBZ0) +676.354s
After 		-114.0 dBm -13.75 dB 3 d5 ETNA LongFast 2025-11-11 13:42:51 UTC View
Meshtastic b808 (b808) +676.511s
After 		-101.0 dBm 0.75 dB 3 d5 ETNA LongFast 2025-11-11 13:42:51 UTC View
aurelia (🧚) +676.777s
After 		-117.0 dBm -8.50 dB 3 d5 ETNA LongFast 2025-11-11 13:42:51 UTC View
K2XAP / nyme.sh (XAP) +988.536s
After 		-65.0 dBm 6.25 dB 1 57 CmWx LongFast 2025-11-11 13:48:03 UTC View
Steiner Studios Tower (SST) +989.083s
After 		-106.0 dBm -14.00 dB 2 bb WyCt LongFast 2025-11-11 13:48:03 UTC View
Blue Soda (p0p) +989.384s
After 		-106.0 dBm -7.25 dB 2 bb WyCt LongFast 2025-11-11 13:48:04 UTC View
bit0fun | nyme.sh (🟠) +989.398s
After 		-101.0 dBm 5.75 dB 2 bb WyCt LongFast 2025-11-11 13:48:04 UTC View
Meshtastic 631c (631c) +989.435s
After 		-99.0 dBm -8.50 dB 2 bb WyCt LongFast 2025-11-11 13:48:04 UTC View
22

Total Receptions

16

Unique Gateways