Packet #2844931 Success

TELEMETRY_APP packet from Elmwood Park NJ Node (🗽) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	2844931
Mesh Packet ID:	`0x257bed73` Used for correlation across gateways
Timestamp:	2025-11-28 11:28:52 UTC
From Node:	Elmwood Park NJ Node (🗽)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	Gowanus Soda (p1p)
Channel:	LongFast
RSSI:	-115 dBm
SNR:	-6.75 dBm
Hop Info:	4/7 hops Start: 7, Limit: 3
Relay Node:	`31` a031 , ν 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: 22 bytes

Decoded: Yes

Decoded Data:

Environment Metrics:

Temperature:	-2.6°C
Humidity:	62.8%
Pressure:	1011.8 hPa

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:	22 bytes
Gateway:	!9e758c94
Channel:	LongFast
Payload Type:	TELEMETRY_APP
Hop Count:	4 / 7

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`	`!9e758c94` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (22 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2194008271` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`67` TELEMETRY_APP	enum
`decoded.payload_length`	`22` bytes	size
`hop_limit`	`3` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`4` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-115.0` dBm Signal strength at gateway	int32
`rx_snr`	`-6.75` dB Signal quality at gateway	float
`rx_time`	`1764329439` 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`	`1764329332.9484875` 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 (4 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!9e758c94`
Signal Metrics:	RSSI: -115.0 dBm SNR: -6.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TELEMETRY_APP
Size:	22 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "time": 1764329413, "environment_metrics": { "temperature": -2.61, "relative_humidity": 62.838867, "barometric_pressure": 1011.7548 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!9e758c94", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2194008271, "to": 4294967295, "id": 628878707, "rx_time": 1764329439, "rx_snr": -6.75, "rx_rssi": -115, "hop_limit": 3, "hop_start": 7, "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": "0dc58729691a0f0d3d0a27c015005b7b421d4ff07c44", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1764329413, "environment_metrics": { "temperature": -2.61, "relative_humidity": 62.838867, "barometric_pressure": 1011.7548 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (22 bytes)

0dc58729691a0f0d3d0a27c015005b7b421d4ff07c44

Hex Analysis:

Size:	22 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
Gowanus Soda (p1p) Primary	0.000s Reference	-115.0 dBm	-6.75 dB	4	`31` a031 , ν	LongFast	2025-11-28 11:28:52 UTC	Current
SACKMESHv4 l https://nyme.sh (SMv4)	-12.866s Before	-106.0 dBm	-14.25 dB	1	`e6`	LongFast	2025-11-28 11:28:40 UTC	View
NHaledon - Dorothy (NHDO)	-9.337s Before	-110.0 dBm	-6.50 dB	2	`4b`	LongFast	2025-11-28 11:28:43 UTC	View
DRP1 Chelsea (DRP1)	-8.075s Before	-104.0 dBm	-5.75 dB	3	`95`	LongFast	2025-11-28 11:28:44 UTC	View
YMH 1 @ Your Mom’s House (YMH1)	-6.905s Before	-123.0 dBm	-13.50 dB	3	`dc` pnor	LongFast	2025-11-28 11:28:46 UTC	View
Steiner Studios Tower (SST)	-4.195s Before	-114.0 dBm	-10.25 dB	3	`c9` Penn , JLX3	LongFast	2025-11-28 11:28:48 UTC	View
ClaremontWx.net (CmWx)	-4.166s Before	-78.0 dBm	3.50 dB	3	`c9` Penn	LongFast	2025-11-28 11:28:48 UTC	View
LORSANGE (LORS)	-3.830s Before	-110.0 dBm	-9.00 dB	3	`c9` Penn	LongFast	2025-11-28 11:28:49 UTC	View
K2XAP / nyme.sh (XAP)	-3.787s Before	-118.0 dBm	-12.25 dB	3	`c9` Penn , JLX3	LongFast	2025-11-28 11:28:49 UTC	View
Claudiopolis-440c (440c)	-3.549s Before	-89.0 dBm	-4.00 dB	3	`c9` Penn , JLX3	LongFast	2025-11-28 11:28:49 UTC	View
Sunset Soda (p8p)	-3.084s Before	-124.0 dBm	-13.00 dB	3	`57` CmWx	LongFast	2025-11-28 11:28:49 UTC	View
Fried Fish 1 \| nyme.sh (FF1)	-2.313s Before	-80.0 dBm	5.25 dB	4	`40` BRRN	LongFast	2025-11-28 11:28:50 UTC	View
Meshtastic 1ca3 (1ca3)	-0.011s Before	-122.0 dBm	-12.75 dB	4	`31` a031	LongFast	2025-11-28 11:28:52 UTC	View
nLink-NY-Jamaica1 (NLJ1)	+9.246s After	-94.0 dBm	-5.25 dB	4	`d1` JLY6	LongFast	2025-11-28 11:29:02 UTC	View
YMH 2 @ Your Mom’s House (YMH2)	+11.059s After	-69.0 dBm	-3.25 dB	4	`90` NLG1	LongFast	2025-11-28 11:29:04 UTC	View
dkTowerBot (dkTB)	+23.402s After	-105.0 dBm	-14.50 dB	4	`b2` CBZ1	LongFast	2025-11-28 11:29:16 UTC	View
Meshtastic 631c (631c)	+121.924s After	-90.0 dBm	-0.25 dB	5	`23` P4NY	LongFast	2025-11-28 11:30:54 UTC	View

17

Total Receptions

17

Unique Gateways