Packet #2886757 Success

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

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	2886757
Mesh Packet ID:	`0x1ca9a5f2` Used for correlation across gateways
Timestamp:	2025-11-29 08:37:35 UTC
From Node:	Elmwood Park NJ Node (🗽)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	ClaremontWx.net (CmWx)
Channel:	LongFast
RSSI:	-80 dBm
SNR:	4.25 dBm
Hop Info:	4/7 hops Start: 7, Limit: 3
Relay Node:	`c9` Penn 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:	-1.3°C
Humidity:	62.0%
Pressure:	1025.2 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:	!27532a57
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`	`!27532a57` 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`	`-80.0` dBm Signal strength at gateway	int32
`rx_snr`	`4.25` dB Signal quality at gateway	float
`rx_time`	`1764405443` 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`	`201` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1764405455.041656` 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:	`!27532a57`
Signal Metrics:	RSSI: -80.0 dBm SNR: 4.25 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": 1764405567, "environment_metrics": { "temperature": -1.34, "relative_humidity": 61.960938, "barometric_pressure": 1025.1857 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!27532a57", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2194008271, "to": 4294967295, "id": 480880114, "rx_time": 1764405443, "rx_snr": 4.25, "rx_rssi": -80, "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": 201, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d3fb12a691a0f0d1f85abbf1500d877421df1258044", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1764405567, "environment_metrics": { "temperature": -1.34, "relative_humidity": 61.960938, "barometric_pressure": 1025.1857 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (22 bytes)

0d3fb12a691a0f0d1f85abbf1500d877421df1258044

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
ClaremontWx.net (CmWx) Primary	0.000s Reference	-80.0 dBm	4.25 dB	4	`c9` Penn	LongFast	2025-11-29 08:37:35 UTC	Current
SACKMESHv4 l https://nyme.sh (SMv4)	-3.068s Before	-109.0 dBm	-17.00 dB	2	`28`	LongFast	2025-11-29 08:37:31 UTC	View
DRP1 Chelsea (DRP1)	-2.402s Before	-112.0 dBm	-8.75 dB	2	`e8` d3e8 , 44e8 , BKBP , Peng , dfe8	LongFast	2025-11-29 08:37:32 UTC	View
NHaledon - Dorothy (NHDO)	-1.573s Before	-112.0 dBm	-13.00 dB	2	`ec`	LongFast	2025-11-29 08:37:33 UTC	View
Claudiopolis-440c (440c)	-0.960s Before	-93.0 dBm	-7.00 dB	3	`28` b028 , 8b28	LongFast	2025-11-29 08:37:34 UTC	View
K2XAP / nyme.sh (XAP)	+0.358s After	-118.0 dBm	-8.50 dB	4	`c9` Penn , JLX3	LongFast	2025-11-29 08:37:35 UTC	View
YMH 1 @ Your Mom’s House (YMH1)	+1.286s After	-122.0 dBm	-16.00 dB	5	`fc`	LongFast	2025-11-29 08:37:36 UTC	View
YMH 2 @ Your Mom’s House (YMH2)	+2.133s After	-60.0 dBm	2.50 dB	5	`90` NLG1	LongFast	2025-11-29 08:37:37 UTC	View
Sunset Soda (p8p)	+2.564s After	-121.0 dBm	-9.25 dB	4	`57` CmWx	LongFast	2025-11-29 08:37:37 UTC	View
MeshM0xie (M0x)	+3.311s After	-104.0 dBm	-10.00 dB	5	`c2` Asra	LongFast	2025-11-29 08:37:38 UTC	View
Fried Fish 1 \| nyme.sh (FF1)	+3.904s After	-89.0 dBm	1.75 dB	6	`0f` 68SD	LongFast	2025-11-29 08:37:38 UTC	View
Meshtastic 631c (631c)	+4.635s After	-105.0 dBm	-14.25 dB	5	-	LongFast	2025-11-29 08:37:39 UTC	View
Gowanus Soda (p1p)	+4.677s After	-107.0 dBm	-3.50 dB	5	-	LongFast	2025-11-29 08:37:39 UTC	View
dkTowerBot (dkTB)	+6.948s After	-109.0 dBm	-19.00 dB	7	`a8` 24a8 , REX	LongFast	2025-11-29 08:37:41 UTC	View
Steiner Studios Tower (SST)	+6.959s After	-118.0 dBm	-15.00 dB	7	`a8` 24a8	LongFast	2025-11-29 08:37:42 UTC	View
Meshtastic f5c8 (f5c8)	+8.830s After	-104.0 dBm	-12.25 dB	7	`23` P4NY	LongFast	2025-11-29 08:37:43 UTC	View

16

Total Receptions

16

Unique Gateways