Packet #3379984 Success

TELEMETRY_APP packet from Scalarcap (Scap) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	3379984
Mesh Packet ID:	`0x02dece10` Used for correlation across gateways
Timestamp:	2025-12-10 18:28:22 UTC
From Node:	Scalarcap (Scap)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	nLink-NY-Jamaica1 (NLJ1)
Channel:	LongFast
RSSI:	-84 dBm
SNR:	-2.75 dBm
Hop Info:	5/6 hops Start: 6, Limit: 1
Relay Node:	`dc` 9cdc 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: 17 bytes

Decoded: Yes

Decoded Data:

Environment Metrics:

Temperature:	37.4°C

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:	17 bytes
Gateway:	!db2b2610
Channel:	LongFast
Payload Type:	TELEMETRY_APP
Hop Count:	5 / 6

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

Field	Value
`gateway_id`	`!db2b2610` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (17 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`996149589` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`67` TELEMETRY_APP	enum
`decoded.payload_length`	`17` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`6` Initial hop limit	uint32
`hops_taken`	`5` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-84.0` dBm Signal strength at gateway	int32
`rx_snr`	`-2.75` dB Signal quality at gateway	float
`rx_time`	`1765391434` 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`	`220` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1765391302.6010544` 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 (5 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!db2b2610`
Signal Metrics:	RSSI: -84.0 dBm SNR: -2.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TELEMETRY_APP
Size:	17 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "time": 1765391380, "environment_metrics": { "temperature": 37.418198, "lux": 100.0 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!db2b2610", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 996149589, "to": 4294967295, "id": 48156176, "rx_time": 1765391434, "rx_snr": -2.75, "rx_rssi": -84, "hop_limit": 1, "hop_start": 6, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 220, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d14bc39691a0a0d3cac15424d0000c842", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765391380, "environment_metrics": { "temperature": 37.418198, "lux": 100.0 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (17 bytes)

0d14bc39691a0a0d3cac15424d0000c842

Hex Analysis:

Size:	17 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
nLink-NY-Jamaica1 (NLJ1) Primary	0.000s Reference	-84.0 dBm	-2.75 dB	5	`dc` 9cdc	LongFast	2025-12-10 18:28:22 UTC	Current
25 Washington Ave (25WA)	-56.170s Before	-74.0 dBm	-4.75 dB	2	`bb` WyCt	LongFast	2025-12-10 18:27:26 UTC	View
Steiner Studios Tower (SST)	-56.165s Before	-108.0 dBm	-2.00 dB	2	`bb` WyCt	LongFast	2025-12-10 18:27:26 UTC	View
Meshtastic 631c (GRBH)	-55.808s Before	-102.0 dBm	-12.25 dB	2	`bb` WyCt	LongFast	2025-12-10 18:27:26 UTC	View
dkTowerBot (dkTB)	-54.995s Before	-109.0 dBm	-18.50 dB	3	`a8` 24a8 , REX , MRC1	LongFast	2025-12-10 18:27:27 UTC	View
Whole Foods Market UES (WFMK)	-54.295s Before	-109.0 dBm	-11.00 dB	3	`24` KGB2	LongFast	2025-12-10 18:27:28 UTC	View
MeshM0xie (M0x)	-53.610s Before	-100.0 dBm	-8.75 dB	3	`7b` 4b7b	LongFast	2025-12-10 18:27:28 UTC	View
YMH 1 @ Your Mom’s House (YMH1)	-53.599s Before	-114.0 dBm	-7.00 dB	3	`7b` 4b7b	LongFast	2025-12-10 18:27:29 UTC	View
ClaremontWx.net (CmWx)	-51.777s Before	-85.0 dBm	3.50 dB	4	`c9` Penn , JLX3	LongFast	2025-12-10 18:27:30 UTC	View
Meshtastic e41a (GRBT)	-51.537s Before	-120.0 dBm	-11.25 dB	4	`c9` Penn	LongFast	2025-12-10 18:27:31 UTC	View
Izutsumi - seano@masto.nyc (izu)	-51.340s Before	-87.0 dBm	4.00 dB	4	`c9` Penn	LongFast	2025-12-10 18:27:31 UTC	View
Claudiopolis-440c (440c)	-51.268s Before	-88.0 dBm	-3.75 dB	4	`c9` Penn , JLX3	LongFast	2025-12-10 18:27:31 UTC	View
drp mobile (drpm)	-50.460s Before	-121.0 dBm	-14.00 dB	4	`c9` Penn	LongFast	2025-12-10 18:27:32 UTC	View
JLO (fe6e)	-50.048s Before	-115.0 dBm	-11.75 dB	5	`b8` Paul , 13bp , ⚡2 , bfb8 , JLY4	LongFast	2025-12-10 18:27:32 UTC	View
Gemini (GMNI)	-49.257s Before	-119.0 dBm	-6.25 dB	4	`56` JLX6	LongFast	2025-12-10 18:27:33 UTC	View

15

Total Receptions

15

Unique Gateways