Packet #2151227 Success

TELEMETRY_APP packet from N1UGK QTH (UGKH) to !ffffffff

24
Total Receptions
22
Unique Gateways
3
Hop Count
28
Payload Bytes
Packet Information
Database ID: 2151227
Mesh Packet ID: 0x3ad56735
Used for correlation across gateways
Timestamp: 2025-11-15 19:37:32 UTC
From Node: N1UGK QTH (UGKH)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Lv4 - Heltec V4 Green (Lv4)
Channel: LongFast
RSSI: -52 dBm
SNR: 5.0 dBm
Hop Info: 3/5 hops
Start: 5, Limit: 2
Relay Node: 35 JLX5
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: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Channel Usage:11.2%
Air Util TX:3.2%
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:28 bytes
Gateway:!b2a78ce0
Channel:LongFast
Payload Type:TELEMETRY_APP
Hop Count:3 / 5
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 !b2a78ce0
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2733340684
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 67
TELEMETRY_APP 		enum
decoded.payload_length 28 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -52.0 dBm
Signal strength at gateway 		int32
rx_snr 5.00 dB
Signal quality at gateway 		float
rx_time 1763235537
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 53
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1763235452.7540357
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: !b2a78ce0
Signal Metrics: RSSI: -52.0 dBm
SNR: 5.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1763235291, "device_metrics": { "battery_level": 101, "voltage": 0.0, "channel_utilization": 11.201666, "air_util_tx": 3.248861, "uptime_seconds": 210825 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b2a78ce0", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2733340684, "to": 4294967295, "id": 987064117, "rx_time": 1763235537, "rx_snr": 5.0, "rx_rssi": -52, "hop_limit": 2, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 53, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0ddbd518691215086515000000001d063a33412557ed4f402889ef0c", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1763235291, "device_metrics": { "battery_level": 101, "voltage": 0.0, "channel_utilization": 11.201666, "air_util_tx": 3.248861, "uptime_seconds": 210825 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0ddbd518691215086515000000001d063a33412557ed4f402889ef0c
Hex Analysis:
Size:28 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
Lv4 - Heltec V4 Green (Lv4) Primary 0.000s
Reference 		-52.0 dBm 5.00 dB 3 35 JLX5 LongFast 2025-11-15 19:37:32 UTC Current
K2XAP V4 MS (XAP4) -6.730s
Before 		-66.0 dBm 2.75 dB 1 c9 Penn LongFast 2025-11-15 19:37:26 UTC View
Steiner Studios Tower (SST) -6.721s
Before 		-116.0 dBm -8.50 dB 1 c9 Penn , JLX3 LongFast 2025-11-15 19:37:26 UTC View
ClaremontWx.net (CmWx) -6.679s
Before 		-80.0 dBm 4.75 dB 1 c9 Penn LongFast 2025-11-15 19:37:26 UTC View
Gowanus Soda (p1p) -6.374s
Before 		-115.0 dBm -13.25 dB 1 c9 Penn LongFast 2025-11-15 19:37:26 UTC View
DRP1 Chelsea (DRP1) -6.366s
Before 		-77.0 dBm 6.25 dB 1 c9 Penn , JLX3 LongFast 2025-11-15 19:37:26 UTC View
1 MW 1 West Side | https://nyme.sh (1MW1) -5.884s
Before 		-105.0 dBm -2.00 dB 1 c9 Penn LongFast 2025-11-15 19:37:26 UTC View
🦨 corruptedstack🦨 meshtoad 🐸 (dmbp) -5.627s
Before 		-109.0 dBm -18.00 dB 2 - LongFast 2025-11-15 19:37:27 UTC View
corruptedstack Weather (cswx) -5.578s
Before 		Unknown Unknown 3 ed dmbp LongFast 2025-11-15 19:37:27 UTC View
dkTowerBot (dkTB) -5.489s
Before 		-99.0 dBm -9.25 dB 2 28 b028 LongFast 2025-11-15 19:37:27 UTC View
csbot (dmbb) -5.339s
Before 		Unknown Unknown 3 ed dmbp LongFast 2025-11-15 19:37:27 UTC View
Claudiopolis-440c (440c) -5.007s
Before 		-95.0 dBm -4.75 dB 2 28 b028 , 8b28 LongFast 2025-11-15 19:37:27 UTC View
YMH 2 @ Your Mom’s House (YMH2) -4.967s
Before 		-65.0 dBm Unknown 2 90 NLG1 LongFast 2025-11-15 19:37:27 UTC View
aurelia (🧚) -4.928s
Before 		-110.0 dBm -1.50 dB 1 c9 Penn LongFast 2025-11-15 19:37:27 UTC View
K2XAP / nyme.sh (XAP) -4.335s
Before 		-55.0 dBm 6.25 dB 1 57 CmWx LongFast 2025-11-15 19:37:28 UTC View
bit0fun | nyme.sh (🟠) -4.321s
Before 		-110.0 dBm -8.50 dB 2 dd LongFast 2025-11-15 19:37:28 UTC View
Fried Fish 1 | nyme.sh (FF1) -2.063s
Before 		-93.0 dBm -15.25 dB 3 b8 🫠 LongFast 2025-11-15 19:37:30 UTC View
Meshtastic 631c (631c) -1.343s
Before 		-100.0 dBm -12.25 dB 3 10 WA2J , 8a10 LongFast 2025-11-15 19:37:31 UTC View
DRP0 Astoria (DRP0) +1.405s
After 		-80.0 dBm 6.00 dB 4 b2 😴 , CBZ1 LongFast 2025-11-15 19:37:34 UTC View
🐎📨 mobile (📨) +3.050s
After 		-123.0 dBm -13.00 dB 4 1c 451c , 631c LongFast 2025-11-15 19:37:35 UTC View
nLink-NY-Jamaica1 (NLJ1) +7.545s
After 		-94.0 dBm -0.50 dB 2 d1 JLY6 LongFast 2025-11-15 19:37:40 UTC View
GSI Portable (GSIP) +530.679s
After 		-99.0 dBm -11.50 dB 2 4c JLY3 , SST LongFast 2025-11-15 19:46:23 UTC View
Steiner Studios Tower (SST) +847.300s
After 		-107.0 dBm -1.25 dB 5 bb WyCt LongFast 2025-11-15 19:51:40 UTC View
bit0fun | nyme.sh (🟠) +847.548s
After 		-100.0 dBm 3.75 dB 5 bb WyCt LongFast 2025-11-15 19:51:40 UTC View
24

Total Receptions

22

Unique Gateways