Packet #2450955 Success

TRACEROUTE_APP packet from N1UGK QTH (UGKH) to Meshtastic ETNA (ETNA)

13
Total Receptions
13
Unique Gateways
1
Hop Count
18
Payload Bytes
Packet Information
Database ID: 2450955
Mesh Packet ID: 0x30267906
Used for correlation across gateways
Timestamp: 2025-11-20 00:40:44 UTC
From Node: N1UGK QTH (UGKH)
To Node: Meshtastic ETNA (ETNA)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: Steiner Studios Tower (SST)
Channel: LongFast
RSSI: -118 dBm
SNR: -11.5 dBm
Hop Info: 1/5 hops
Start: 5, Limit: 4
Relay Node: 1e 351e
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: TRACEROUTE_APP
Size: 18 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: GrandSt 351e (351e)
Hop Count: 0 hops
Status: Incomplete - Final destination not reached
SNR Towards: -15.0 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 N1UGK QTH (UGKH) GrandSt 351e (351e) 25.02 km -15.0 dB Origin Hops
Traceroute incomplete - Final destination not reached
Total Forward Distance
25.02 km
Combined Traceroute Graph
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Legend & Paths
Nodes
🔄 Router Node
📡 Gateway Node
🚀 Source Node
🎯 Target Node
Connections
RF Link
Gateway Connection
Direct Reception (0 hops)
Packet Paths
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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:18 bytes
Gateway:!da5af04c
Channel:LongFast
Payload Type:TRACEROUTE_APP
Hop Count:1 / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da5af04c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (18 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 2249414613
Target node ID 		uint32
decoded.portnum 70
TRACEROUTE_APP 		enum
decoded.payload_length 18 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -118.0 dBm
Signal strength at gateway 		int32
rx_snr -11.50 dB
Signal quality at gateway 		float
rx_time 1763599338
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack True
Acknowledgment 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 30
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1763599244.0894318
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Acknowledgment requested
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Want ack: True
Gateway ID: !da5af04c
Signal Metrics: RSSI: -118.0 dBm
SNR: -11.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:18 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 3325965598 ], "snr_towards": [ -15.0 ], "route_back": [], "snr_back": [], "route_node_names": { "2733340684": "N1UGK QTH (UGKH)", "2249414613": "Meshtastic ETNA (ETNA)", "3325965598": "GrandSt 351e (351e)" }, "traceroute_packet": { "packet_data": { "id": 2450955, "timestamp": 1763599244.0894318, "from_node_id": 2733340684, "to_node_id": 2249414613, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!da5af04c", "channel_id": "LongFast", "mesh_packet_id": 807827718, "rssi": -118, "snr": -11.5, "hop_limit": 4, "hop_start": 5, "payload_length": 18, "processed_successfully": 1, "raw_payload": "0a041e353ec6120ac4ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1763599338, "pki_encrypted": 0, "next_hop": 0, "relay_node": 30, "tx_after": 0, "timestamp_str": "2025-11-20 00:40:44 UTC", "hop_count": 1, "has_payload": true, "success": 1, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "Meshtastic ETNA (ETNA)", "relay_hex": "1e", "relay_candidates": [ { "node_id": 3325965598, "node_name": "GrandSt 351e", "hex_id": "!c63e351e", "short_name": "351e", "last_byte": "1e" } ], "gateway_name": "Steiner Studios Tower (SST)", "gateway_location": { "node_id": 3663392844, "latitude": 40.701761, "longitude": -73.967274, "altitude": null, "timestamp": 1764516367.6370103, "timestamp_str": "2025-11-30 10:26:07", "display_name": "Steiner Studios Tower", "long_name": "Steiner Studios Tower", "short_name": "SST", "hw_model": "TLORA_T3_S3" } }, "resolve_names": true, "packet_id": 2450955, "from_node_id": 2733340684, "to_node_id": 2249414613, "timestamp": 1763599244.0894318, "gateway_id": "!da5af04c", "raw_payload": "0a041e353ec6120ac4ffffffffffffffff01", "hop_limit": 4, "hop_start": 5, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "!861357d5", "route_data": { "route_nodes": [ 3325965598 ], "snr_towards": [ -15.0 ], "route_back": [], "snr_back": [] }, "forward_path": { "path_type": "forward", "node_ids": [ 2733340684, 3325965598 ], "node_names": [ "N1UGK QTH (UGKH)", "GrandSt 351e (351e)" ], "snr_values": [ -15.0 ], "hops": [ { "hop_number": 1, "from_node_id": 2733340684, "to_node_id": 3325965598, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "GrandSt 351e (351e)", "snr": -15.0, "direction": "forward", "is_target_hop": false, "distance_meters": 25019.174932877915, "from_location_timestamp": 1763591675.710374, "to_location_timestamp": 1763462086.4870996, "from_location_age_warning": "from 2.1h ago", "to_location_age_warning": "from 1.6d ago" } ], "is_complete": false, "total_hops": 1 }, "return_path": null, "actual_rf_path": { "path_type": "forward_rf", "node_ids": [ 2733340684, 3325965598 ], "node_names": [ "N1UGK QTH (UGKH)", "GrandSt 351e (351e)" ], "snr_values": [ -15.0 ], "hops": [ { "hop_number": 1, "from_node_id": 2733340684, "to_node_id": 3325965598, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "GrandSt 351e (351e)", "snr": -15.0, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 25019.174932877915, "from_location_timestamp": 1763591675.710374, "to_location_timestamp": 1763462086.4870996, "from_location_age_warning": "from 2.1h ago", "to_location_age_warning": "from 1.6d ago" } ], "is_complete": false, "total_hops": 1 } }, "has_return_path": false, "is_complete": false, "forward_path_display": "N1UGK QTH (UGKH) → GrandSt 351e (351e)", "return_path_display": null, "actual_rf_path_display": "N1UGK QTH (UGKH) → GrandSt 351e (351e)", "forward_hops": [ { "hop_number": 1, "from_node_id": 2733340684, "to_node_id": 3325965598, "from_node_name": "N1UGK QTH (UGKH)", "to_node_name": "GrandSt 351e (351e)", "snr": -15.0, "direction": "forward", "is_target_hop": false, "distance_meters": 25019.174932877915, "from_location_timestamp": 1763591675.710374, "to_location_timestamp": 1763462086.4870996, "from_location_age_warning": "from 2.1h ago", "to_location_age_warning": "from 1.6d ago" } ], "return_hops": [], "total_forward_distance": 25019.174932877915, "total_return_distance": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da5af04c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2733340684, "to": 2249414613, "id": 807827718, "rx_time": 1763599338, "rx_snr": -11.5, "rx_rssi": -118, "hop_limit": 4, "hop_start": 5, "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 30, "tx_after": 0, "decoded": { "portnum": 70, "payload": "0a041e353ec6120ac4ffffffffffffffff01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "route": [ 3325965598 ], "snr_towards": [ -60 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } } } }
Raw Packet Data (18 bytes)
0a041e353ec6120ac4ffffffffffffffff01
Hex Analysis:
Size:18 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
Steiner Studios Tower (SST) Primary 0.000s
Reference 		-118.0 dBm -11.50 dB 1 1e 351e LongFast 2025-11-20 00:40:44 UTC Current
DRP1 Chelsea (DRP1) -9.205s
Before 		-118.0 dBm -15.75 dB 0 - LongFast 2025-11-20 00:40:34 UTC View
Psalm 23 (3:16) -9.108s
Before 		-125.0 dBm -14.00 dB 0 - LongFast 2025-11-20 00:40:34 UTC View
P0NY Express Solar Node (P0NY) -9.088s
Before 		-103.0 dBm -1.25 dB 0 - LongFast 2025-11-20 00:40:35 UTC View
dkTowerBot (dkTB) +1.406s
After 		-102.0 dBm -13.00 dB 2 28 b028 LongFast 2025-11-20 00:40:45 UTC View
CBZ0 🚕 mobile (CBZ0) +1.495s
After 		-117.0 dBm -10.25 dB 2 ca ZLLP , JLX4 LongFast 2025-11-20 00:40:45 UTC View
Claudiopolis-440c (440c) +1.901s
After 		-92.0 dBm -10.25 dB 2 28 b028 , 8b28 LongFast 2025-11-20 00:40:45 UTC View
DRP0 Astoria (DRP0) +2.724s
After 		-56.0 dBm 6.25 dB 3 ac JJ00 , swam , 🌀 , A3WS , FF1 , 🌃 , 09ac , feac , 98ac LongFast 2025-11-20 00:40:46 UTC View
drp mobile (drpm) +2.888s
After 		-51.0 dBm 5.75 dB 3 ac BFY , A3WS , FF1 LongFast 2025-11-20 00:40:46 UTC View
Meshtastic 631c (631c) +3.303s
After 		-101.0 dBm -10.00 dB 2 10 WA2J , 8a10 LongFast 2025-11-20 00:40:47 UTC View
Gowanus Soda (p1p) +3.820s
After 		-114.0 dBm -15.00 dB 2 7b 4b7b LongFast 2025-11-20 00:40:47 UTC View
Meshtastic e41a (GRBT) +6.363s
After 		-56.0 dBm 5.75 dB 3 1c 631c LongFast 2025-11-20 00:40:50 UTC View
Sunset Soda (p8p) +10.299s
After 		-121.0 dBm -8.75 dB 5 81 Titi LongFast 2025-11-20 00:40:54 UTC View
13

Total Receptions

13

Unique Gateways